Mark Koltko-Rivera

Mark E. Koltko-Rivera, Ph.D. has appeared on the Discovery and History Channels as an expert on Freemasonry. The author of Freemasonry: An Introduction, he is a popular Masonic speaker whose work has appeared in The Philalethes, Heredom, and other Masonic publications. He is a member of Masonic lodges in Florida and New York (F&AM). He holds a doctorate from the Department of Applied Psychology at New York University.