Mark Bruce Rosin received his Bachelor of Arts degree in English Language and Literature from the University of Chicago, where he was the feature editor of the campus newspaper and directed several plays for the University Theatre. During his time at the university, he also worked as a stringer for The Chicago Daily News.
After completing his undergraduate degree, Rosin went on to earn his Master of Arts degree in English Language and Literature from Yale University. While at Yale, he studied at the Yale Drama School with renowned Shakespearean scholar Jan Kott and theatre director Gordon Rogoff.
Rosin's writing career began when he sold a short story to Harper's Bazaar, and he soon joined the magazine's staff as an associate literary editor. He later became a contributing editor, writing celebrity interviews and articles on a range of subjects, including psychology and contemporary art. At the same time, he co-directed the New York production of the rock musical Stomp at the Public Theatre.
Rosin's work in film and television began when he was brought to Los Angeles by director Alex Grasshoff to write a screenplay. He later worked as a story editor and executive at CBS, West Coast, where he was part of the team that oversaw the development and production of comedy and drama pilots.
Rosin left CBS to head television and film development for Talent Associates, West Coast, and later earned his first screen credits for indie legends Roger Corman and Samuel Arkoff. He was lured back to the world of publishing by Parents magazine, which brought him to New York to become the magazine's senior editor and special projects editor.
While working at Parents, Rosin continued to write and edit articles about parenting and child psychology, and he also worked with the Ensemble Studio Theatre, which produced successful workshop productions of his plays. He was also an uncredited "show doctor" for musicals on Broadway and off-Broadway.
Rosin left Parents to write Stepfathering for Simon & Schuster, a pioneering book about stepfathering that drew on his own experience as a stepfather. With the publication of Stepfathering, Rosin moved back to Los Angeles to pursue screenwriting and continue his work in publishing.
Throughout his career, Rosin has written and edited numerous books, screenplays, and articles for a range of publishers, including Times-Random House, Bantam, and St. Martin's Press. He has also worked as a consultant and judge for various film and television projects, including the Singapore Film Commission.
Rosin's work has been recognized with several awards and citations, including a mention in the United States Supreme Court's decision on affirmative action. He is currently a producer of the film 55 Steps, based on a true story of a landmark civil rights case that helped to improve America's mental health system.
Rosin is married to actress Cynthia Hoppenfeld and has two stepsons, Kevin and Timothy Barry.
