Maine Public’s president to retire Mark Vogelzang will retire on June 30 after serving the network of public television and radio stations for 9 years. Share Mark Vogelzang, Maine Public’s longtime president, will retire from the independently owned and operated network of public television and radio stations on June 30. Mark Vogelzang Kevin Brusie photo courtesy Maine Public The announcement of Vogelzang’s departure was made Wednesday in a news release issued by Maine Public. His retirement coincides with the end of the network’s fiscal year. Maine Public Board Chairwoman Marion Freeman of Freeport said she plans to launch a nationwide search for Vogelzang’s replacement. Vogelzang has been with Maine Public for nine years.