He has also co-authored, along with Kurt Jonassohn, the book published in 1990, The History and Sociology of Genocide: Analyses and Case Studies. (The duo, while together, has taught a genocide course since 1980-81.) Professor Chalk has also served as President of the International Association of Genocide Scholars (1999--2001), a post currently occupied by the famous non-scholar, Israel Charny. Chalk has also lent his presence to The Zoryan Institute’s Genocide and Human Rights Program, also in Canada (Toronto).