Meet The Team

Mark J. Woyshville, MD

CEO & Medical Director

In May 2007, Dr. Woyshville established our office as an independent, free-standing, community-based clinical research enterprise focused on quality data and care.

Joann Heil, CCRC

Chief Operating Officer

Joann's career in business brings a diversified background and approach to North Star. Her main focuses are business development, operations, and finance.

Mahmoud Abuhamda, CCRC

Clinical Trial Coordinator

Mahmoud joined North Star Medical Research in 2015. His strengths include multiple years of phlebotomy, extensive medical education, and patient care.

Taylor Berenda

Director of Business Development

Started out as administrative support, she quickly grew into a strong young insight into marketing and community outreach.

Carl Faust

Coordinator & Site Administrator

Carl has functioned as a Clinical Research Director, Protocol Manager/Assessment Specialist, Coordinator and Site Adminstrator in over 250 clinical trials.