Massachusetts Institute of Technology | Russian Academy of Sciences | California Institute of Technology | Art Institute of Chicago | National Academy of Sciences | American Academy of Arts and Sciences | Institute for Advanced Study | American Institute of Architects | Asian | Georgia Institute of Technology | 2013 Southeast Asian Games | Rensselaer Polytechnic Institute | Asian American | Academy of Motion Picture Arts and Sciences | Rochester Institute of Technology | Franklin Institute | Royal Institute of Technology | Pasteur Institute | Institute of Contemporary Arts | California Institute of the Arts | Institute of Electrical and Electronics Engineers | British Film Institute | Chinese Academy of Sciences | Pratt Institute | National Cancer Institute | Virginia Military Institute | Cato Institute | Australian Institute of Sport | Asian Games | Asian Development Bank |
He was the director of the Asian Institute of Gemological Sciences in Bangkok, Thailand during the 1980s, and also served at the American Gem Trade Association’s gemological laboratories in California and New York from 2005 to 2008.