After retiring from a career teaching biology and anatomy & physiology and science administration, I study reptiles and amphibians (but focus mostly on squamates). My current interest are in snake phylogeny and diversity, highly aquatic snakes (that are non-sea snakes), the herpetofauna of Trinidad and Tobago, and giant snakes. I have been on the Board of Directors of the Chicago Herpetological Society (positions held include president and publication secretary 1975-1987), the Board of Directors of the Tucson Herpetological Society (2018 -2020). From 1987 to 2021 I was a research associate at the Field Museum in Chicago. Currently I am a member of the International Union for the Conservation of Nature’s Snake Specialists Group and I am on the board of directors of Friends of Madera Canyon and the International Society for the History and Bibliography of Herpetology (ISHBH).