Marc Yonker

Marc Yonker was born in Louisville, Kentucky, and lived in Cincinnati, Ohio, and Easton, Pennsylvania, before settling down in the  Tampa Bay area. As a child in Easton, PA, his father’s best friend was a personal injury attorney. Marc appreciated the hard work he did on behalf of his clients and his steady work ethic. Watching his example, he began to consider a career in law as he was drawn to the idea of litigation for justice. That notion stayed with him as he grew up.

Marc attended Thomas Cooley Law School in Lansing and earned his J.D. in 1993. Shortly thereafter, he was admitted to both the Pennsylvania and the Florida Bar. As a lawyer, Marc is compelled by a desire to seek justice for the injured. Marc has always focused on personal injury law and feels called to help those who are battling against large insurers for the compensation they deserve. Having witnessed the effects of injuries on countless lives throughout his career, he has become even more devoted to fighting for justice on behalf of the wronged.

Before partnering with Bill Winters to found Winters & Yonker, Marc worked for a large personal injury firm where he worked with numerous clients in need of assistance and support in their time of crisis. Here, he saw an opportunity to further focus on the personal care of each and every client. This insight led to the client-oriented nature of Winters & Yonker. While the firm is billed as the “aggressive attorneys”, the goal is to provide immediate support for injured parties and to help them fight their battles against uncouth insurers and other at-fault or negligent parties.

Marc aims to help everyone he encounters, whether professionally or personally. Many of the clients he works with on a daily basis have been the victims of car accidents. He is aware that no one ever wants to be in a situation where they must contact a lawyer and does his best to make the process as painless as possible. With his dedication to the law and to his clients, Marc has had a positive impact on many Tampa Bay area residents.


  • Personal Injury
  • Automobile Accidents
  • Slip and Falls
  • Construction Accidents
  • Premises Liability


  • Pennsylvania, 1994
  • Florida, 1994


  • J.D., Thomas M. Cooley Law School, Lansing, Michigan
  • B.A. in Economics, University of South Florida, Tampa, Florida


  • Florida Bar Association, Member, 1994 – Present
  • Pennsylvania Bar Association, Member, 1994 – Present


  • Attorney, Richard Mullholland & Associates, 1995 – 2001
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