To be updated, see CV for details ......

Oct. 2021-, Organizer of the University of Michigan Chinese Astronomers Networking Group, A networking group of University of Michigan astronomers interested in any- thing related to China and/or other Asian countries.

Oct. 2021-, Member of the Michigan Space Institute, An inter-department institute of space- related research across the entire University of Michigan campus.

Sep. 2021-, Member of the Michigan Dark Skies (MiDS), A collaboration of astronomers, bird watchers, environmentalists, academics, and Michigan residents based at the University of Michigan, but open to everyone.

Aug. 2021-, Graduate Admission Committee Member, Department of Astronomy, University of Michigan, Ann Arbor.

Aug. 2021-, Proposal Committee for Swift, Department of Astronomy, University of Michigan, Ann Arbor.

May 2021-, Coordinator for ELT/MOSAIC science working group SWG-2: “Inventory of matter", together with Mathew Pieri and Davor Krajnovic.

Apr. 2021-, Co-chair of the “Milky Way and Local Group” science working group of HUBS (Hot Universe Baryon Surveyor), together with Yong Zheng.

Apr. 2021-, Member of the University of Michigan International Astronomers Networking Event.

Apr. 16, 2021, Panelist of the University of Michigan Equi-Tea “It’s hard enough being an International Scholar: Anti-Asian Bias and Racism”.

Jun. 2020-, Member of the University of Michigan ELT/MOSAIC science working group.

Jul. 2018-,  Member of the “IGM and CGM” working group of HUBS (Hot Universe Baryon Surveyor).

Jun. 2018-,  Organizer of the 2019 annual CHANG-ES meeting in Purple Moutain Observatory, Nanjing, China, Meeting website: http://chang-es-2019.csp.escience.cn/dct/page/1.

Apr. 2017-,  Member of the Athena "Supernova remnant & Interstellar medium" Working Group.

Dec. 2016-,  Member of the CAFE (Census of WHIM Accretion Feedback Explorer) satellite group.

Aug. 2016-,  Member of the Lynx (X-Ray Surveyor) Baryon Cycles Working Group.

May. 2011-,  Full membership of American Astronomical Society (AAS) and the High Energy Astrophysics Division (HEAD). 

Multi-years, Host of external speakers, Astronomy colloquium: Dr. Alexey Vikhlinin (Harvard-Smithsonian CfA, Apr. 4, 2019), Prof. Laura Lopez (Ohio State Uni- versity, virtual, Nov. 12, 2020), Dr. Jinyi Yang (University of Arizona, virtual, Feb. 4, 2021), Dr. Anna-Christina Eilers (MIT, Nov. 11, 2021); Extreme journal club: Dr. Xinfeng Xu (Johns Hopkins University, virtual, Dec. 10, 2020), Prof. Shuo Zhang (Bard College, virtual, Feb. 11, 2021); Yingjie Cheng (University of Mas- sachusetts, Amherst, virtual, Feb. 25, 2021); Yifei Luo (University of California, Santa Cruz, virtual, Apr. 15, 2021); Suoqing Ji (California Institute of Technology, virtual, Apr. 22, 2021); Qingling Ni (Penn State University, virtual, Oct. 26, 2021); Chong Ge (University of Alabama, Huntsville, virtual, Nov. 30, 2021); Meicun Hou (KIAA, Peking University, virtual, Dec. 7, 2021); Galaxy group meeting: Dr. Junjie Mao (University of Strathclyde, virtual, Mar. 2, 2021), Dr. Xiangcheng Ma (University of California, Berkeley, virtual, Apr. 13, 2021), Dr. Jiayi Sun (Ohio State University, virtual, Oct. 25, 2021); Galaxy cluster group meeting: Dr. Song Huang (Princeton University, virtual, Nov. 1, 2021), Dr. Meng Gu (Princeton Uni- versity, virtual, Dec. 6, 2021).

Multi-years, reviewer of AN, ApJ.

Multi-years, Panelist of Chandra proposal.

Multi-years, Panelist of National Science Foundation (NSF) of U.S.A..

Multi-years, Proposal reviewer of the 2019A Telescope Access Program (TAP).

Multi-years, Committee member of University of Michigan IRAM/NOEMA proposal.