Poznansky (born April 5, 1946) is a research scientist, science administrator and science blogger.
He is the past president and CEO of the Ontario Genomics Institute (OGI) and was previously chair of the board of OGI, and the founder of G2G Consulting Inc.
He is a member of the Order of Canada, a member of the Order of Ontario and was CEO, president and scientific director of Robarts Research Institute.