Dr. Hugh Williams is internationally recognized as an expert in computational number theory and its applications to cryptography. He has authored over 150 refereed journal papers, 30 refereed conference papers and 20 books or book chapters. After a university career of 46 years, he was appointed Professor Emeritus in Mathematics and Statistics at the University of Calgary.

Dr. Christian Ballot was first trained as an engineer in France before studying mathematics in the US with a PhD thesis in Number Theory. He is currently Maître de Conférences at the University of Caen, Normandy. He has published about 700 pages of research papers in Arithmetic which include two memoirs of about 100 pages each.