He is Fellow of the Mineralogical Society of America (2007), the American Crystallographic Association (2016), the American Association of the Advancement of Science (2016) and the Neutron Scattering Society of America (2020). He received the Bau Neutron Diffraction Award in 2019 from the American Crystallographic Association. He received a 2024 Service Award from the Neutron Scattering Society of America for his tenure as a Scientific Director of the National School on Neutron and X-ray Scattering. He served as Associate Editor (1999-2004) and Letters Editor (2005-2010) for the American Mineralogist and was also a Guest Editor of a special issue on Clathrate Hydrates, American Mineralogist, vol 89 (8-9), 2004. He served as Secretary of the Mineralogical Society of America (2015-2019). Other activities include serving on the board of Scientific Directors for the National School on Neutron and X-ray Scattering (2008-2018) and the Intense Pulsed Neutron Source Program Advisory Committee (1996-2001). He has past chaired the Neutron Scattering (2001) and Powder Diffraction (2005) Special Interest Groups of the American Crystallographic Association. He was past member of the Research Committee for the Japan Atomic Energy Agency - U.S. Department of Energy Cooperative Program on Neutron Scattering (1995- 2024), and the U.S. National Committee for Crystallography (2022-2024).