Thompson's wife, Lynda, their three children (Matthew, Amy and Katie), his nephew David, and his niece Nina are well-known among regular listeners of the program.
On June 13, 2012, Thompson announced that he would be retiring from radio after 25 years and would move to Charlotte, North Carolina with his wife, mentioning that his new home would be equipped with a studio that would allow him to do occasional media work.
Thompson began hosting a radio show, "Mark in the Morning" which started on February 2, 2015 on rival classic rock station 100.3 KSWD The Sound in Los Angeles.
Mark was eventually let go from his position due to low ratings, and exited KSWD on August 3, 2016, and plans to launch a syndicated radio program, "Cool Stories in Music.
https://www.radiohalloffame.com/2020-inductees In September 2022, Thompson released his memoir, 'Don't Bump the Record, Kid: My Adventures With Mark and Brian' (ISBN 979-8352202470) and appeared at various events on his book tour.