• meet the national team

  • Michael Rosenfeld – Vice President of National Productions

  • Michael Rosenfeld is an award-winning producer, writer and television executive with extensive leadership experience in documentary production and new media. He has produced and written films covering a broad sweep of topics, from anthropology to history to volcanology. Prior to joining TPT as head of national production, Rosenfeld served as president of National Geographic Television and head of television and film at Tangled Bank Studios. In a career spanning network broadcast, cable, and public television, he has won or led teams that won hundreds of industry awards, including the Peabody and 40 News & Documentary Emmy Awards.
Michael Rosenfeld
  • Fritz Bergmann – Senior Director of TPT National Productions

    As Senior Director of TPT National Productions, Fritz manages operations, planning and production. Before joining TPT National Productions, Bergmann served as Director of Institutional Relations at Minnesota Public Radio | American Public Media from 2001-2008. Prior to that, he spent 13 years in various leadership roles with the American Composers Forum.

Rita Karl – Managing Director, STEM Media and Education Department & Executive Producer, SciGirls

  • An accomplished leader of high-profile science, technology, engineering and mathematics (STEM) education initiatives in the U.S. and overseas, Rita current leads TPT’s multi-million dollar portfolio of STEM initiatives including the Emmy Award-winning SciGirls PBS television show and SciGirls CONNECT national outreach initiative. Ms. Karl is the Principal Investigator on several National Science Foundation grants, researching strategies that engage girls in non-traditional STEM fields and developing gender equitable and culturally responsive professional development for educators and programs for youth.Previously, Rita served as the Director of Education at the Challenger Center for Space Science Education managing the design, implementation and assessment of STEM education and outreach programs for an international network of learning centers in four countries located in schools, universities and museums. Prior to her work at Challenger Center, Ms. Karl was Director of the USAID project, Educational Technology in Schools, training over 2,500 educators and school administrators in inquiry-based teaching and learning using technology. The program won the “Best Project in USAID” award in 2004. At the NASA Johnson Space Center, Rita designed and led the NASA-award winning Aerospace Scholars program, now in its seventeenth year, encouraging gifted students, young women and minorities to consider careers in professional STEM fields by mentoring them with working engineers. Rita holds a Masters of Science Degree in Instructional Technology and a Bachelor of Arts Degree in Directing.