Meet The Team


Mark J. Woyshville, MD

CEO & Medical Director

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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

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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

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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

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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.

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440.234.5700 | | 18660 Bagley Road, Building II, Suite 205 Middleburg Heights, OH 44130

© 2019 North Star Medical in corporation with