United Nations Conference on Trade and Development | Big Ten Conference | Southeastern Conference | Paris Peace Conference, 1919 | Paris Peace Conference | United States Conference of Catholic Bishops | Chinese People's Political Consultative Conference | Big 12 Conference | Southern Christian Leadership Conference | Big East Conference (1979–2013) | Academic conference | TED (conference) | National Football Conference | Atlantic Coast Conference | Sun Belt Conference | Yalta Conference | Wannsee Conference | American Football Conference | Southwest Conference | Potsdam Conference | Mountain West Conference | Mid-American Conference | Game Developers Conference | Big East Conference | 2009 United Nations Climate Change Conference | Southern Conference | National Conference of State Legislatures | Missouri Valley Conference | Zimmerwald Conference | United Nations Conference on International Organization |
Tsiaras has lectured and keynoted many conferences including the National Library of Medicine (NLM/NIH) Scientific Visualization Conference, TED, TEDMED, Ink Conference (in association with TED India), Google Health Conference "ThinkHealth 2012", Medicine Meets Virtual Reality (MMVR) and has lectured with Stephen Hawking at the MIT Media Lab.