About Cathy Risdon Cathy Risdon is an associate professor and the David Braley and Nancy Gordon Chair in Family Medicine at McMaster University. Books by Cathy Risdon Caring for LGBTQ2S People A Clinical Guide, Second Edition edited by Amy Bourns & Edward Kucharski with Allan D. Peterkin & Cathy Risdon Caring for Lesbian and Gay People A Clinical Guide by (author) Allan D. Peterkin & Cathy Risdon Caring for Lesbian and Gay People A Clinical Guide by (author) Allan D. Peterkin & Cathy Risdon