Education
Ph.D. Astronomy, University of California, Berkeley (1995)
M.A. Astronomy, University of California, Berkeley (1991)
B.A. Astronomy, Harvard University (1990)
Boston Latin School (1986)
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
Publication Record
1017 publications; >75,000 citations; h-index = 125 (782 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 list of publications.
Honors and Awards
Elected Member of the American Academy of Arts and Sciences (2023)
Elected Fellow of the American Astronomical Society (2022)
Einstein Medal (shared among EHT all team members) (2020)
Breakthrough Prize in Fundamental Physics (shared among EHT all team members) (2019)
Leading Scientist, Innovation Group, NSFC (2017-Present)
Leading Scientist, National Key Research and Development Program, MOST (2016-Present)
Thousand Talent Plan Award (2014-Present)
Overseas Expert Assessor, Chinese Academy of Sciences (2013-Present)
Overseas Distinguished Professor, Chinese Academy of Sciences (2012-2013)
Distinguished Visiting Professor, Mexican Academy of Science (2007)
Robert J. Trumpler Award, Astronomical Society of the Pacific (1998)
Harvard-Smithsonian Center for Astrophysics Postdoctoral Fellowship (1995-1998)
Uhl Award for Excellence in Research, U.C. Berkeley (1994)
Outstanding Graduate Student Instructor Award, U.C. Berkeley (1994)
University of California Regents Fellowship (1990-1991)
American Physics Society Apker Award Finalist (1990)
Leo Goldberg Prize for Astronomy, Harvard University (1990)
Thomas Hoopes Prize for Senior Thesis, Harvard University (1990)
Magna Cum Laude, Harvard University (1990)
Ford Foundation for Undergraduate Research Fellowship (1987-1990)
Thomas Hoopes Prize for Junior Thesis, Harvard University (1989)
John Harvard Scholarship, Harvard University (1988-1990)
Harvard College Scholarship, Harvard University (1987-1988)
National Honor Society, Boston Latin School (1984-1986)
Fields of Interest
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
Star clusters and other dense stellar systems
Interstellar medium in galaxies
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 Lv (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)
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, Center for Astro Particle and Planetary Physics, 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
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
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)
University of Hong Kong, 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)