Johni Cerny

Johni Cerny. Additional Crew: The African Americans: Many Rivers to Cross with Henry Louis Gates, Jr.. Johni Cerny is a professional genealogist and family historian who first began her career in 1979. She founded Lineages, Inc. in 1983, left the firm in 2005 and returned as the company's President and CEO in 2011. Between 2005 and 2012, she was the lead genealogist for several television series that have aired on...