Sergey Brin | Sergey Kuryokhin | Sergey Mikhalkov | Sergey Kirov | Sergey Ivanov | Sergey Chigrakov | Sergey Lazarev | Sergey Kalchugin | Sergey Shoygu | Sergey Pugachyov | Sergey Prokudin-Gorsky | Sergey M. Bezrukov | Sergey Letov | Sergey Kara-Murza | Sergey Gerasimov | Sergey Uvarov | Sergey Ulegin | Sergey Tchepikov | Sergey Spigelglas | Sergey Solovyov | Sergey Sheyko | Sergey Shavlo | Sergey Ryazansky | Sergey Platonov | Sergey Nikitin (musician) | Sergey Nikitin | Sergey Mitrokhin | Sergey Milnichenko | Sergey Mikhaylovich Ignatyev | Sergey Maslennikov |
Speakers included diamond cutters Maarten DeWitte, Brian Gavin and Gabi Tolkowsky; American Gem Society representatives James Caudill and Peter Yantzer; technology developers Garry Holloway, Udi Lederer, Janak Mistry, Yuri Shelmentiev and Sergey Sivovolenko, Octonus; and researchers V.K. Baranov, A.M.