Meet The Team


Mark J. Woyshville, MD

CEO & Medical Director

  • Grey LinkedIn Icon

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

  • Grey LinkedIn Icon

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

Taylor Berenda

Director of Business Development

  • Grey LinkedIn Icon

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