Mr. Oluwaseun Tolulope Obajobi - Obafemi Awolowo University, NG
Professor Andreas Oberweis - Universität Karlsruhe, DE
Mr. Elisha Oketch Ochola - Tshwane University of Technology, ZA
Professor Anthony G. Oettinger - Harvard University, US
Professor Tomas Ohlin - Telo Konsult, SE
Mr. James M Okech - Tshwane University of Technology, ZA
Mr. Eloka Okechukwu - Company, NG
Mr. Stephen Olumuyiwa Oladoyinbo - University College Hospital, P.M.B 5116 Ibadan, NG
Mr. Stacy Olivas
Mr. Ailton Andrade de Oliveira - IME-USP, BR
Mr. Carlos Jose M. F. OLIVEIRA - European Commission, LU
Mr. Allan D. G. Olley - University of Toronto, CA
Mr. Timothy Olsen - Lime Spot LLC, US
Mr. Stefano Onofri - Private, CH
Dr. Luis A Ospina - TCC, US
Ms. Anne Awuor Otieno - Barclays Bank of Kenya, KE
Mr. Clément Oury - French national Library, FR
Mr. Trevor Owens - The Library of Congress, US
Dr. Barbara Boucher Owens - Southwestern University, US