Mark Feuerstein was born on June 8, 1971 in New York City. He attended The Dalton School and got his first break on television on the soap opera Loving. Although he came from a family of lawyers, he chose an acting profession. He was popularly known for his inclusion in the comedy series Good Morning Miami. His movie credits include Rules of Engagement, 30 Days, In Her Shoes, Two Weeks Notice, and Women on Top. Moreover, he became part of the medical drama series 3 Lbs as Dr. Jonathan Seger.
Dr. Jonathan Seger is a brain surgeon who is naïve about internal hospital politics and rivalries. He is perceived as empathetic and patient which makes a good balance for
Dr. Douglas Hanson 's bold personality.