Kathryn Dietz started her filmmaking career at WGBH Boston on WORLD, Vietnam: A Television History, and Frontline. She co-founded her own company, Ambrica Productions, in 1988. With producer Sue Williams of New York she produced or co-produced eight primetime documentaries for PBS. They include: Young & Restless in China (Frontline, 2008), China in the Red (Frontline, 2003) and 6-hour series, CHINA: A Century of Revolution (1989-1997). She created a Teachers’ Guide and a Chinese-language version of the CHINA series.

She also produced two biographies: Mary Pickford (American Experience, 2005) and Eleanor Roosevelt (American Experience, 2000), as well as a film about Japanese-American incarceration in Arkansas during World War II, Time of Fear (2005). These films have won numerous awards including three CINE Golden Eagles, two Gold Cameras, two Hugo Awards, a Bronze Telly, three Chris Awards, and several Silver and Bronze Apples.

She left Ambrica at the end of 2009 in order to pursue more local models of collaboration. Two of her current projects include a new film with FC founder Michal Goldman, and a new digital education project with filmmaker Nancy Porter.