Luis C. Ho

(何子山)


Director and University Chair Professor

Kavli Institute for Astronomy and Astrophysics

Peking University


Office: KIAA Building, Room 207

Email: lho.pku@gmail.com, lho@pku.edu.cn

URL: http://kavli.pku.edu.cn/~lho

Interests

  • Physical processes in galactic nuclei
  • Accretion disks and jets
  • Searches for massive black holes
  • Coevolution of black holes and galaxies
  • Quantitative galaxy morphology, origins of the Hubble sequence
  • Extragalactic star formation
  • Interstellar media in galaxies
  • Star clusters and other dense stellar systems

Projects and Tools

Education

  • Boston Latin School (1986)
  • B.A. Astronomy, Harvard University (1990)
  • M.A. Astronomy, University of California, Berkeley (1991)
  • Ph.D. Astronomy, University of California, Berkeley (1995)

Publications

  • Publication Record: 1066 publications; ~83,000 citations; h-index = 127 (831 papers in refereed journals, 95 invited and contributed papers in conference proceedings,121 conference abstracts, 16 I.A.U. Circulars, 4 technical reports, and editor of 9 books)
  • See here in detail

Advisees

  • Graduate Students
    • Changhao Chen (Peking University)
    • Roozbeh Davari (U. C. Riverside; now in finance)
    • Louis-Benoit Desroches (U. C. Berkeley; now in energy research, Lawrence Berkeley National Lab.)
    • Mercedes E. Filho (University of Groningen; now faculty at Universidade do Porto)
    • Hua Gao (Peking University; now postdoc at University of Hawaii)
    • Jenny E. Greene (Harvard University; now faculty at Princeton)
    • Song Huang (Nanjing University; now postdoc at Princeton; faculty at Tsinghua)
    • Minjin Kim (Seoul National University; now faculty at Kyungpook National University)
    • Ruancun Li (Peking University)
    • Yang Li (Peking University)
    • Zhaoyu Li (Peking University; now faculty at Shanghai Jiaotong University)
    • Jiwei Liao (Peking University)
    • Hongyi (Alex) Lv (Peking University)
    • Yixiao Lyu (Peking University)
    • Chien Y. Peng (University of Arisona; now staff at GMTO)
    • Paula Sánchez-Sáez (Univ. de Chile; postdoc, Potificia Univ. Católica de Chile)
    • Jinyi Shangguan (Peking University; now postdoc at MPE)
    • Rui She (Tsinghua University; now in finance)
    • Wen Sun (Peking Univ.)
    • Dewang Xu (Peking University)
    • Niankun Yu (Peking University; now postdoc at NAOC)
    • Siyue Yu (Peking University; now postdoc at MPIfR, KIPMU)
    • Lulu Zhang (Peking University; now postdoc at UTSA)
    • Yulin Zhao (Peking University; now middle-school physics teacher)
    • Mingyang Zhuang (Peking University; now postdoc at UIUC)
  • Undergraduate Students
    • Enze Chen (Peking University; left academia)
    • Yuguang Chen (Peking University; now PhD student at Caltech)
    • Yuanze Ding (Wuhan University; now PhD student at Caltech)
    • Rong Du (Peking University)
    • Meng Gu (Nanjing University; PhD Harvard; postdoc at Princeton and Carnegie)
    • Minghao Guo (Peking University; now PhD student at Princeton)
    • Siyao Jia (Peking University; now PhD student at Berkeley)
    • Yuanzhe Jiang (Peking University)
    • Bingcheng Jin (Peking University)
    • Wei-Bo Kao (Peking University; now Masters student at ETH Zurich)
    • Jiaxuan Li (Peking University; now PhD student at Princeton)
    • Ruancun Li (Peking University; now PhD student at PKU)
    • Zhihui Li (Peking University; now PhD student at Caltech)
    • Yichen Liu (University of Arizona)
    • Yilin Luo (Peking University)
    • Yue Pan (University of Chicago; PhD student at Princeton)
    • Jiayi Sun (Tsinghua University; PhD OSU; postdoc McMasters)
    • Zihao Wu (Peking University; PhD student at Harvard)
    • Haotian Xiao (University of Alberta)
    • Peixin Zhu (Peking University; PhD student at Harvard)
    • Yihao Zhu (Wuhan University)
  • Postdoctoral Fellows
    • David Arenas (KIAA, Peking University; now postdoc INAOE)
    • Min Du (KIAA, Peking University; now faculty at Xiamen Univ.)
    • Meicun Hou (KIAA, Peking University)
    • Dohyeong Kim (KIAA, Peking University; now faculty at Pusan National Univ.)
    • Minjin Kim (Carnegie Observatories; now faculty at Kyungpook National Univ.)
    • Yonghwi Kim (KIAA, Peking University; now postdoc at KIAS)
    • Bumhyun Lee (KIAA, Peking University; now postdoc at KASI)
    • Guodong Li (KIAA, Peking University)
    • Chao Ma (KIAA, Peking University)
    • Juan Molina (KIAA, Peking University; now postdoc at Chalmers Univ.)
    • Swara Ravindranath (Carnegie Observatories; now staff at STScI)
    • Claudio Ricci (Universidad Catolica de Chile, KIAA; now faculty at UDP)
    • Sonali Sachdeva (KIAA, Peking University; now postdoc at Raman Research Inst.)
    • Shravan Shetty (KIAA, Peking University; private sector)
    • Yanxia Xie (KIAA, Peking University; left academia)
    • Hassen Yesuf (KIAA, Peking University; postdoc, KIPMU; staff SHAO)
    • Qiu Yu (KIAA, Peking University; now postdoc at Zhejiang Univ.)
    • Dongyao Zhao (KIAA, Peking University; now research staff at Beijing Planetarium)
    • Pinsong Zhao (KIAA, Peking University
    • Pei Zuo (KIAA, Peking University; now staff at NAOC)

Positions

  • Director, Kavli Institute for Astronomy and Astrophysics, Peking University (2014-Present)
  • University Chair Professor, Peking University (2014-Present)
  • Distinguished Research Fellow, National Astronomical Observatory, Chinese Academy of Science (2013-Present)
  • Deputy Editor, The Astrophysical Journal Letters (2018-Present)
  • Associate Editor, The Astrophysical Journal Letters (2012-2018)
  • Staff Astronomer, Carnegie Observatories (2000-2014)
  • Associate Staff Astronomer, Carnegie Observatories (1998-2000)
  • CfA Postdoctoral Fellow, Harvard-Smithsonian Center for Astrophysics (1995-1998)

Memberships

  • American Astronomical Society
  • International Astronomical Union
  • Astronomical Society of the Pacific
  • American Physical Society

Service

  • General
    • Gruber Cosmology Prize, Selection Advisory Board, Chair (2023-Present)
    • Shaw Prize in Astronomy, Selection Committee (2019-2022)
    • Associate Editor, Science China: Physics, Mechanics & Astronomy (2023-Present)
    • Associate Editor, Science Bulletin (2018-Present)
    • Advisory Board, Universe (2020-Present)
    • Editorial Committee, Ann. Rev. Astron. Astrophys. (2015-2019)
    • Science Steering Committee, Hot Universe Baryon Surveyor mission (2022-Present)
    • Management Group, Maunakea Spectroscopic Explorer (2018-2019)
    • Board Member, East Asia Observatory (2015-Present)
    • Science Board (co-chair), Next Generation Palomar Spectrograph (2017-Present)
    • Science Advisory Committee (co-chair), Chinese Space Station Telescope (2020-Present)
    • Science Advisory Committee (chair), Large Optical Telescope, NAOC (2016-2017)
    • Science Advisory Committee, FAST, NAOC (2019-Present)
    • Board Member, Telescope Access Program, NAOC (2019-Present)
    • Strategy Committee, Southern University of Science and Technology (2016-Present)
    • Advisory Committee, Chinese Academy of Sciences (2015-2018)
    • Advisory Committee, Astronomy Mega Science Center, CAS (2015-Present)
    • Advisory Committee, Chair, Key Lab for Optical Astronomy, CAS (2015-2018)
    • Advisory Committee, Key Lab for Galaxies and Cosmology, CAS (2015-2018)
    • Scientific Advisory Committee, Indian Institute for Astrophysics, Bengaluru, India (2020-Present)
    • Advisory Board, Chair, Center for Astrophysics and Space Science, New York University Abu Dhabi (2020-Present)
    • Academic Advisory Committee, Academia Sinica Institute of Astronomy and Astrophysics (2014-2022)
    • Publications Committee for the Astronomical Society of the Pacific (ASP) (2008-2012)
    • Overseas Chinese Team, Chinese Academy of Science (2007-2011)
    • NRAO Users Committee (2006-2010)
    • NOAO Telescope Partnership Review Committee (2006)
    • Optical/IR Committee, Academia Sinica Institte of Astronomy and Astrophysics (2006)
    • Ten-Year Planning Committee, Academia Sinica Institte of Astronomy and Astrophysics (2002)
    • Advisory Board, NASA/IPAC Extragalactic Database (2000-2010)
  • Carnegie
    • Graduate Student Research Fellowship (2011-2013)
    • Carnegie-Claremont Undergraduate Seminar (2006-2012)
    • Board of Trustees, Mount Wilson Institute (2003-2013)
    • Telescope Time Allocation Committee (2004-2013)
    • Carnegie Centennial Astrophysics Symposia (2001)
    • Colloquium Chairman (1998-2000)
    • Fellowship Committee (1998, 2000)
  • Peer Review
    • Referee for all major astronomical journals (1993-Present)
    • Moderator for Astroph (2009-2012)
    • Hubble Fellowship Review Panel (2002)
    • HST Review Panel for Cycle 9 (1999)
    • Referee for CFHT TAC (1995-2013)
    • Panel for NASA Astrophysics Theory Program (1997)
  • Scientific Organizing Committee
    • Hong Kong, 2026, Asia-Pacific Regional IAU Meeting
    • Abu Dhabi, UAE, 2026, Cosmic Collisions
    • Moscow, 2025, Russian-Chinese Meeting on High-energy Astrophysics
    • Hong Kong, 2025, Extreme AGNs and Transients: When Black Holes Misbehave
    • Hangzhou, 2025, AI-Empowered Astronomy for Open Science
    • Puerto Varas, 2025, The Baryon Cycle from Reionization to Cosmic Noon
    • Yanqing, 2025, The 3rd HUBS Workshop
    • Chengdu, 2025, The 12th Sino-German Meeting on Galaxy Formation
    • Chiangmai, 2024, The Ecosystem of Gas and Dust in Galaxies Near and Far
    • Shanghai, 2024, Second AGN Feedback Workshop
    • Tokyo, 2024, Probing the Genesis of Supermassive Black Holes: Emerging Perspectives from JWST
    • Shanghai, 2024, Transient Phenomena and Physical Processes Around Supermassive Black Holes
    • Yerevan, 2024, High-energy Astrophysics and Cosmology in the Era of All-sky Surveys
    • Hangzhou, 2024, Coevolution of Galactic Ecosystems and their Large-scale Environment
    • Busan, 2024, Spectral/Timing Properties of AGN: Theory and Observations
    • Fukushima, 2023, Asia-Pacific Regional IAU Meeting
    • Wuhu, 2023, First AGN Feedback
    • Hangzhou, 2023, Galaxy Formation in Hangzhou: Observations and Physics of AGN
    • Lijiang, 2023, Multiwavelength Research of Quasars and AGNs
    • London, 2023, JCMT Science Meeting
    • Taipei, 2023, Probing the Universe at Higher Resolution
    • Pasadena, 2023, Palomar Science Meeting, 75th Anniversary
    • Naples, 2023, The Restless Nature of AGN: 10 Years Later
    • San Sebastian, 2022, Origin, Growth and Feedback of Black Holes in Dwarf Galaxies
    • Xiamen, 2021, Hot Gas in the Universe, The Second HUBS Workshop
    • Beijing, 2020, LSST@Asia-Australia-Africa
    • Paris, 2020, Active Galactic Nuclei and the Celestial Reference Frame
    • Perth, 2020, Asia-Pacific Regional IAU Meeting
    • Ben Goncalves, 2020, IAU Symp. 359: Galaxy Evolution and Feedback Across Different Environments
    • Guilin, 2019, Mapping the Central Regions of Active Galactic Nuclei
    • Guiyang, 2019, The Starburst-AGN Connection: Multiwavelength Synergies
    • Bologna, 2019, X-ray Astronomy 2019
    • Groningen, 2018, The HI/Story of the Nearby Universe
    • Aptos, 2018, Adventures in Astrophysics: Alex Filippenko’s 60th Birthday
    • Dali, 2018, The Coevolution of Galaxies and Their Central Regions
    • Urumqi, 2018, Colloquium on QTT Science and Technology
    • Sanmenxia, 2018, 20th Annual Guo Shoujing Academic Seminar
    • Chongming Island, 2018, Cross-Straits Astrophysics Workshop
    • Charlottesville, 2017, The 5th China-US Workshop in Radio Astronomy Science and Technology
    • Beijing, 2017, Jeremy Mould Fest, Stellar Populations and the Distance Scale
    • Malta, 2017, The Role of Gas in Galaxy Dynamics
    • Fairfax, 2017, Elusive AGN in the Next Era
    • Lijiang, 2016, Reverberation Mapping
    • Dartmouth, 2016, Hidden Monsters: Obscured AGNs and Connections to Galaxy Evolution
    • Kuche, 2016, Evolution Cycles in X-ray Binaries and Active Galaxies
    • Queensland, 2016, IAU Symp. 322: The Multi-Messenger Astrophysics of the Galactic Centre
    • Urumqi, 2016, PKU-XAO Bilateral Astrophysics Workshop
    • Taipei, 2016, M87 Workshop
    • Santiago, 2016, China-Chile Workshop
    • Hong Kong, 2015, South China Astronomy/Astrophysics Forum
    • Beijing, 2015, KIAA-PKU Astrophysics Forum: Ground-based Observing Facilities for the Future
    • Guiyang, 2015, Frontiers in Radio Astronomy 2015
    • Nanjing, 2015, Beijing-Nanjing Astrophysics Forum
    • Beijing, 2015, KIAA-SHAO Bilateral Workshop
    • Yining, 2015, Probing AGNs with Radio Techniques
    • Shanghai, 2015, Black Hole Accretion and AGN Feedback
    • Beijing, 2014, KIAA-PKU Astrophysics Forum: TMT Science
    • Xi’an, 2014, From Dark Matter to Galaxies
    • Beijing, 2013, Reverberation Mapping Workshop
    • Lijiang, 2013, Dissecting Galaxies with 2D Wide-field Spectroscopy
    • Guiyang, 2012, Frontiers in Radio Astronomy and FAST Early Sciences
    • Tokyo, 2012, Growing Black Holes in the COSMOS
    • Israel, 2012, AGN Workshop
    • Nepal, 2012, Astrophysics & Cosmology
    • Madrid, 2010, Ultraluminous X-ray Sources and Middle-Weight Black Holes
    • Shanghai, 2009, Galactic Center Workshop 2009
    • Canberra, 2008, The Giant Magellan Telescope: Designing for the Cosmos
    • Heidelberg, 2008, Nuclear Star Clusters across the Hubble Sequence
    • Xi’an, 2006, The Central Engine of Active Galaxies
    • Beijing, 2006, 36th COSPAR Scientific Assembly
    • Socorro, 2006, NRAO Legacy Projects Workshop
    • Bad Honnef, 2006, Galactic Center Workshop 2006
    • Amsterdam, 2004, From X-ray Binaries to Quasars: Black Hole Accretion on All Mass Scales
    • Gramado, 2004, IAU Symp. 222, Interplay among Black Holes, Stars and ISM in Galactic Nuclei
    • Beijing, 2004, Fifth Microquasar Workshop: Microquasars and Related Astrophysics
    • Cancun, 2003, Young Massive Star Clusters
    • Cozumel, 2003, Multiwavelength AGN Surveys
    • Pasadena, 2002-2003, Carnegie Observatories Centennial Symposia I-V
    • Pucon, 2001, IAU Symp. 207, Extragalactic Star Clusters
    • Taipei, 2000, Astronomy in the New Millenium
    • Nagoya, 1998, 32nd COSPAR Conference, The AGN-Galaxy Connection
    • Baltimore, 1995, The Physics of LINERs in View of Recent Observations

Invited Talks and Colloquia

  • Russian-Chinese Meeting on High-energy Astrophysics, Moscow, Russia, speaker (2025)
  • Maximizing Science Impact European Extremely Large Telescope, Ringberg, Germany, speaker (2025)
  • Cracking the Universe, Tartu, Estonia, speaker (2025)
  • Guoshoujing Meeting, Changsha, China, plenary speaker (2025)
  • New York University, Abu Dhabi, UAE, colloquium (2025)
  • Shanghai Astronomical Observatory, Shanghai, China, colloquium (2025)
  • George Mason University, Fairfax, Virginia, USA, colloquium (2025)
  • Hong Kong University, Hong Kong, SAR China, colloquium (2025)
  • University of Tokyo, Tokyo, Japan, plenary speaker (2025)
  • University of California, Santa Cruz, Santa Cruz, USA, two seminars (2025)
  • Northwestern University, Evanston, USA, colloquium (2025)
  • University of California, Riverside, Riverside, USA, colloquium (2025)
  • Peking University International PhD Student Forum, Beijing, China, speaker (2024)
  • Munich Joint Astronomy Colloquium, Garching, Germany, colloquium (2024)
  • Symposium on Galaxy Evolution and Cosmology with CSST, Suzhou, China, speaker (2024)
  • Second AGN Feedback Workshop, Shanghai, China, summary speaker (2024)
  • Active Galaxies at Different Scales and Wavelengths, Nizhny Arkhyz, Russia, speaker (2024)
  • High-energy Astrophysics and Cosmology, Era of All-Sky Surveys, Yerevan, Armenia, speaker (2024)
  • Indiana University, Indiana, USA, colloquium (2024)
  • Laboratory for Space Research, Hong Kong, colloquium (2024)
  • Seoul National University, Seoul, Korea, colloquium (2024)
  • Bandung Institute of Technology, Bandung, Indonesia, speaker (2024)
  • JCMT Science Meeting, Kuala Lumpur, Malaysia, speaker (2024)
  • Max Planck Institute for Extraterrestrial Physics, Garching, Germany, colloquium (2024)
  • Guoshoujing Meeting, Suzhou, China, speaker (2024)
  • CSST Annual Meeting, Hangzhou, China, speaker (2024)
  • University of Padova, Padova, Italy, colloquium (2024)
  • T. D. Lee Institute, Shanghai, China, colloquium (2024)
  • Zhejiang University, Hangzhou, China, colloquium (2024)
  • Fudan University, Shanghai, China, colloquium (2024)
  • Southern University of Science and Technology, Shenzhen, China, colloquium (2024)
  • Guangxi University, Nanning, China, colloquium (2023)
  • Resolving Galaxy Ecosystems Across All Scales, Hong Kong, speaker (2023)
  • Chinese University of Hong Kong, Hong Kong, colloquium (2023)
  • Nanjing University, Nanjing, China, colloquium (2023)
  • Beijing Normal University, Beijing, China, colloquium (2023)
  • Peking University Distinguished Lecture Series in Physics, Beijing, China, lecture (2023)
  • World Laureate Forum, Shanghai, China, keynote speaker (2023)
  • Probing the Universe at Higher Resolution, Taipei, Taiwan, speaker (2023)
  • Tianquan Lake Astronomical Forum, Xuyi, China, keynote speaker (2023)
  • Galaxy Formation in Hangzhou, Hangzhou, China, speaker (2023)
  • AGN Feedback Workshop, Wuhu, China, speaker (2023)
  • Shandong University, Weihai, China, colloquium (2023)
  • Multiwavelength Observations of AGNs, Lijiang, China, speaker (2023)
  • Xinjiang Astronomical Observatory, Urumqi, China, colloquium (2023)
  • Astrophysical Black Holes: A Rapidly Moving Field, Hong Kong, speaker (2023)
  • Workshop on Accretion-modified Stars, Nanjing, China, speaker (2023)
  • Palomar Science Meeting: 75th Anniversary of Palomar, Pasadena, USA, speaker (2023)
  • Peking University School of Graduate Studies, Beijing, China, speaker (2023)
  • The Baryon Cycle in Galaxies, Hangzhou, China, speaker (2023)
  • Chinese Space Station Telescope Annual Science Meeting, Huairou, China, speaker (2023)
  • China Central Normal University, Wuhan, China, colloquium (2023)
  • Timescales in Astrophysics, Abu Dhabi, UAE, speaker (2023)
  • Fragrant Hills Conference on Missing Baryons, China, speaker (2021)
  • Purple Mountain Observatory, China, colloquium (2021)
  • Nanjing University, China, seminar (2021)
  • Wuhan University, China, colloquium (2021)
  • Huazhong University of Science and Technology, China, colloquium (2021)
  • Xiamen University, China, colloquium (2021)
  • Shanghai Jiaotong University, China, colloquium (2021)
  • Nanjing University, China, colloquium (2021)
  • University of Chicago, USA, colloquium (2021)
  • Queens University, Canada, colloquium (2020)
  • Ohio State University, USA, colloquium (2020)
  • Demographics of Supermassive Black Holes, Big Island, speaker (2019)
  • KIAA Forum on Gas in Galaxies, Beijing, speaker (2019)
  • Chinese Astronomical Society, Delingha, speaker (2019)
  • The Starburst-AGN Connection, Guiyang, speaker (2019)
  • Tsinghua University, colloquium (2019)
  • Academy for Interdisciplinary Studies, Peking University, speaker (2019)
  • Columbia University, New York City, seminar (2019)
  • Extremely Big Eyes on the Early Universe, Tokyo, speaker (2019)
  • Event Horizon Telescope Workshop, Shanghai, speaker (2019)
  • University of California, Irvine, seminar (2019)
  • The Coevolution of Galaxies and Their Central Regions, Dali, speaker (2018)
  • Joint Workshop on Frontiers of Cosmology, Beijing, speaker (2018)
  • A Symposium Honoring Alex Filippenko’s 60th Birthday, Aptos, speaker (2018)
  • 2018 Colloquium on QTT Science and Technology, Urumqi, speaker (2018)
  • The 9th Fero Meeting: Finding Extreme Relativistic Objects, Crete, speaker (2018)
  • Fudan University, Shanghai, colloquium (2018)
  • Laboratory for Space Research, Hong Kong University, seminar (2018)
  • Frontiers of AGN and Related Science, Nanning, speaker (2018)
  • University of Wisconsin-Madison, Madison, colloquium (2018)
  • Beijing Normal University, Beijing, colloquium (2018)
  • Micius Salon, Shanghai Academy of Science, public lecture (2018)
  • Peking University-Max Planck Society Symposium, Munich, speaker (2018)
  • Xinjiang Observatory, Urumqi, Silk Road Lecture (2017)
  • University of California, Riverside, seminar (2017)
  • Division of Geological and Planetary Sciences, Caltech, seminar (2017)
  • Fred Lo Memorial Workshop, Taipei, Taiwan, speaker (2017)
  • School of Life Sciences, Peking University, Beijing, colloquium (2017)
  • Instituto de Astrofisica de Andalucia, Granada, Spain, colloquium (2017)
  • Aryabhatta Research Institute of Observational Sciences, Nainital, India, colloquium (2017)
  • Inter-University Centre for Astronomy and Astrophysics, Pune, India, colloquium (2017)
  • National Centre for Radio Astrophysics, Pune, India, colloquium (2017)
  • Indian Institute of Astrophysics, Bangalore, India, colloquium (2017)
  • Shanghai Astronomical Observatory, Shanghai, colloquium (2017)
  • Cosmology with Large Surveys, Durban, South Africa, speaker (2016)
  • Reverberation Mapping of AGNs, Lijiang, (2016)
  • Evolution Cycles in X-ray Binaries and AGNs, Kuche, speaker (2016)
  • The 19th CAS Guoshoujing Symposium, Beijing, speaker (2016)
  • M87 Workshop, Taipei, Taiwan, keynote speaker (2016)
  • Chinese Large Ground-Based Optical Telescope, Nanjing, speaker (2016)
  • Chinese University of Hong Kong, Hong Kong, colloquium (2016)
  • Tsinghua University, Beijing, colloquium (2016)
  • University of Science and Technology of China, Hefei, colloquium (2016)
  • National Astronomical Observatory of Japan, colloquium (2016)
  • South China Astronomy/Astrophysics Forum, Hong Kong, speaker (2015)
  • Southern University of Science and Technology, Shenzhen, colloquium (2015)
  • Astrophysics Workshop, Suzhou, speaker (2015)
  • Black Hole Workshop, Xiamen, speaker (2015)
  • World Premier Initiative, Tokyo, speaker (2015)
  • East-Asia AGN Workshop, Changchun, summary (2015)
  • Black Hole Accretion and AGN Feedback, Shanghai, speaker (2015)
  • Probing AGNs with Radio Techniques, Yining, speaker (2015)
  • Quasars and Active Galactic Nuclei over Cosmic Time, Beijing, speaker (2015)
  • East Asian Young Astronomers Meeting, Taipei, speaker (2015)
  • 9th Jing-Guang-Xia Astrophysics Meeting, Nanning, speaker (2015)
  • 4th Chile – China Workshop, Guangzhou, speaker (2014)
  • China – Subaru Workshop, Shanghai, speaker (2014)
  • Chinese Astron. Soc. Annual Meeting, Lintong, invited lecture (2014)
  • Pujiang Innovation Forum, Shanghai, public lecture (2014)
  • Xiamen University, Xiamen, colloquium (2014)
  • Institute for Astronomy, University of Hawaii, colloquium (2014)
  • Shanghai Astronomical Observatory, Shanghai, colloquium (2014)
  • Macau University of Science and Technology, Macau, colloquium (2014)
  • IAU Symp. 312, Star Clusters and Nuclei, Beijing, speaker (2014)
  • USTC Summer School, Hefei, China, lecturer (2014)
  • OCPA8, Nanyang University Technology, Singapore, speaker (2014)
  • Southern China Technical Astronomy Development, Kunming, China, speaker (2014)
  • From Dark Matter to Galaxies, Xi’an, China, speaker (2014)
  • Nanjing University, Nanjing, colloquium (2014)
  • Tsinghua University, Beijing, colloquium (2014)
  • National Taiwan Univ./ASIAA, Taipei, joint physics colloquium (2014)
  • Yunnan Observatory Annual Meeting, Pu’er, keynote speaker (2014)
  • National Astronomical Observatory, Beijing, colloquium (2014)
  • Shanghai Jiaotong University, seminar (2013)
  • Fifty Years of Quasars, Caltech, speaker (2013)
  • Second China-U.S. Workshop on Radio Astronomy, Shanghai, speaker (2013)
  • Hong Kong University, colloquium (2013)
  • National Astronomical Observatory, Beijing, colloquium (2013)
  • ASIAA, Taipei, Taiwan, colloquium (2012)
  • TIARA Workshop, Hsinchu, Taiwan, speaker (2012)
  • Frontiers in Radio Astronomy and FAST Early Sciences, Guiyang, speaker (2012)
  • National Observatory, Beijing, seminar (2012)
  • Peking University, Beijing, seminar (2012)
  • University of Utah, High-Energy and Astrophysics seminar (2012)
  • University of Utah, physics colloquium (2012)
  • Nanjing University, seminar (2012)
  • Shanghai Astron. Obs. Astrophysics Symposium, speaker (2012)
  • Ecosystems of Galaxies, USTC, Hefei, speaker (2012)
  • Instituto de Astrofisica de Canarias, colloquium (2012)
  • University of Hong Kong, colloquium (2012)
  • Institute for Physics and Mathematics of the Universe, Tokyo, workshop (2012)
  • Chinese Academy of Sciences, Beijing, plenary review (2011)
  • Institute of High-Energy Physics, Beijing, seminar (2011)
  • UC Riverside, colloquium (2011)
  • Cosmology Since Einstein, HKUST, Hong Kong, speaker (2011)
  • University of Maryland, seminar (2011)
  • Goddard Space Flight Center, colloquium (2011)
  • Institute for Physics and Mathematics of the Universe, Tokyo, colloquium and seminar (2011)
  • Institute of High-Energy Physics, Beijing, colloquium (2011)
  • National Observatory, Beijing, colloquium (2011)
  • Shanghai Astronomical Observatory, China, colloquium (2011)
  • Carnegie Board of Trustees Meeting, talk (2010)
  • National Radio Astronomy Observatory, VLA, colloquium (2010)
  • Northwestern University, seminar (2010)
  • Accretion and Outflow in Black Hole Systems, Nepal, speaker (2010)
  • Institute of Astronomy and Astrophysics, Taipei, colloquium (2009)
  • University of Hong Kong, colloquium (2009)
  • University of Colorado, colloquium (2009)
  • Galactic Center Workshop, Shanghai, summarizer (2009)
  • University of Science and Technology, Hefei, colloquium (2009)
  • Nanjing University, China, colloquium (2009)
  • University of Toronto, colloquium (2009)
  • University of California, Santa Cruz, colloquium (2009)
  • Yunnan Observatory, Kunming, China, colloquium (2009)
  • Korea Astronomy and Space Science Institute, Daejeon, colloquium (2009)
  • Seoul National University, Seoul, colloquium (2009)
  • Yonsei University, Seoul, colloquium (2009)
  • KIAA Workshop on Accretion Disks, Beijing, speaker (2008)
  • 3rd KIAS Workshop on Cosmology and Structure Formation, Seoul, speaker (2008)
  • Nanjing Institute of Astronomical Optics and Technology, China, seminar (2008)
  • NAOC, Beijing, China, seminar (2008)
  • KIPAC, Stanford University, colloquium (2008)
  • National Radio Astronomical Observatory, Charlottesville, seminar (2008)
  • Guangzhou University, Guangzhou, China, colloquium (2008)
  • Peking University, Beijing, China, colloquium (2008)
  • Beijing Astronomical Observatory, Beijing, China, seminar (2008)
  • University of Hong Kong, Hong Kong, colloquium (2008)
  • Purple Mountain Observatory, Nanjing, China, colloquium (2008)
  • Nanjing University, Nanjing, China, colloquium (2008)
  • Accretion and Outflow in Astrophysics, Kyoto, speaker (2008)
  • AGN and Galaxy Evolution Workshop, Tucson, speaker (2007)
  • Institute of High-Energy Physics, Beijing, colloquium (2007)
  • Urumqi Observatory, Xinjiang, China, colloquium (2007)
  • Capital Science Lecture, Washington DC (2007)
  • Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, 2 colloquia (2007)
  • Shanghai Astronomical Observatory, colloquium (2006)
  • University of California at Berkeley, colloquium (2006)
  • Yunnan Observatory, 2.4-m Telescope Workshop, Kunming, speaker (2006)
  • Institute of High-Energy Physics, Beijing, colloquium (2006)
  • Institute of Astronomy and Astrophysics, Taipei, colloquium (2006)
  • Institute of Astronomy and Astrophysics, Taipei, seminar (2006)
  • NOAO/Steward Observatory, colloquium (2005)
  • Caltech, colloquium (2005)
  • AGNs and Galaxy Evolution, Vatican, conference speaker (2005)
  • Seoul National University, colloquium (2005)
  • Supermassive Binary Black Holes, Kyoto, conference speaker (2005)
  • Lijiang, China, Extreme Starbursts, conference speaker (2005)
  • University of Wisconsin, colloquium (2005)
  • KITP, Galactic Center workshop, conference speaker (2005)
  • Carnegie Observatories Astronomy Series, Huntington Gardens, public lecture (2005)
  • Harvard University, colloquium (2005)
  • Boston University, colloquium (2005)
  • Ringberg AGN meeting, conference speaker (2004)
  • Carnegie Observatories, seminar speaker (2004)
  • IPAC, seminar speaker (2004)
  • Kapteyn Institute, Groningen, NOVA colloquium speaker (2004)
  • Leiden University, NOVA colloquium speaker (2004)
  • Herzberg Institute of Astrophysics, seminar speaker (2004)
  • Amsterdam Black Hole Workshop, conference speaker (2004)
  • University of Michigan, seminar speaker (2004)
  • IAU Symp. 222, Gramado, Brazil, conference summarizer (2004)
  • Multiwavelength AGN Surveys, Cozumel, Mexico, conference speaker (2003)
  • Carnegie Observatory Centennial Symposium I, conference speaker (2002)
  • P. Universidad Catolica de Chile, colloquium (2002)
  • Chinese Astronomy: Present and Future, Beijing, conference speaker (2001)
  • Tsinghua University, Beijing, colloquium (2001)
  • IAU Colloq. 184, AGN Surveys, Yerevan, Armenia, talk (2001)
  • Annual Meeting of Carnegie Board of Trustees, talk (2001)
  • Ohio State University, colloquium (2001)
  • 3rd Joint Meeting of Chinese Physicists Worldwide, Hong Kong, conference speaker (2000)
  • 6th Taiwan Astrophysics Workshop, Taipei, conference speaker (2000)
  • Carnegie Observatories, colloquium (2000)
  • National Radio Astronomy Observatory, VLA, colloquium (1999)
  • Tel-Aviv University, Israel, AGN Mini-Workshop (1999)
  • 194th AAS Meeting, Topical Session on Extragalactic Star Clusters (1999)
  • University of California at Los Angeles, colloquium (1999)
  • University of California at San Diego, colloquium (1999)
  • Institute for Theoretical Physics, UCSB, workshop lecture (1999)
  • California Institute of Technology, seminar (1998)
  • University of Massachusetts, Amherst, colloquium (1998)
  • Institute of Astronomy and Astrophysics, Taipei, three colloquia (1998)
  • 32nd COSPAR meeting, Nagoya, Japan, conference speaker (1998)
  • Penn State University, colloquium (1998)
  • Boston University, colloquium (1998)
  • Columbia University, colloquium (1998)
  • Bose National Centre for Basic Sciences, Calcutta, conference speaker (1998)
  • Carnegie Observatories, colloquium (1997)
  • Space Telescope Science Institute, workshop speaker (1996)
  • California Institute of Technology, colloquium (1996)
  • University of California at Los Angeles, colloquium (1996)
  • University of Illinois, colloquium (1996)
  • University of California at Berkeley, colloquium (1996)
  • University of California at Santa Cruz, colloquium (1996)
  • Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, conference speaker (1996)
  • Space Telescope Science Institute, conference speaker (1995)
  • Harvard-Smithsonian Center for Astrophysics, Seminar (1995)
  • University of Alabama, Tuscaloosa, conference speaker (1995)