James “Bo” Trotter, Jr.

Bo’s experience in medical group practice management began in 1977 and provided a unique background when he started MSN based on a client-focused business philosophy.  He understands practice operations, physician concerns and how emerging trends can impact the financial performance of a practice.  A graduate of the University of Georgia, Bo is a Past President of the RBMA and a founding member of the Healthcare Billing and Management Association (HBMA.) He also serves as Executive Secretary for the Georgia Radiological Society GRS, where he was recently honored with the GRS Gold Medal for his professional contributions.  Bo has served on the American College of Radiology’s (“ACR”) Regulatory Compliance Committee, the Economics Commission, and the Committee on Coding and Nomenclature. He is a member of the RBMA Inaugural class of Fellows, having been awarded the designation of Fellow of the RBMA in June 2010.


James “Bo” Trotter, III
Chief Operations Officer

Barbara Rubel
Senior Vice President, Marketing & Client Services

Barbara has been a leader with MSN Client Services since 1998.  Her extensive background in strategic planning, market research, healthcare marketing and managed care negotiations provide a wealth of information to support MSN clients.  Barbara has also been highly involved in industry organizations, serving as President of the Radiology Business Management Association (RBMA), the Georgia RBMA, and the Florida RBMA.   In addition, she chaired the influential RBMA Federal Affairs Committee and the RBMA Technology Task force and was a member of the RBMA Data Committee.  Her work on behalf of radiology has earned her the RBMA Special Recognition Award (2010), the RBMA Global Achievement Award (2013), and she is a Fellow of the RBMA.      

Steve Collins
Client Relationships & Business Development

Terry Corgan
Vice President, Client Development & Marketing

Terry provides MSN with 24 years of experience in healthcare sales, marketing and Client support. His professional career has been dedicated to the development and support of Clients in the physician practice management arena, and more specifically radiology billing and information systems. Terry has been responsible for the development of a broad spectrum of clients for MSN from the initial practice review through contract implementation. In addition, he plays a major role in client communications and support. Terry is a graduate of Villanova University with a degree in Business Administration and a concentration in marketing. He has been an active member of the Radiology Business Management Association (“RBMA”) for over 19 years and currently serves on the RBMA Data Committee.

Chris Heimerl
Director of Client Services & Marketing

Chris brings more than 20 years of experience to his role in client services and marketing.  He joined the MSN team in 2011 and has worked with radiology practices to evaluate their business models and then assist them in improving efficiency and profitability.  He is a graduate of the University of Wisconsin—Stevens Point and began his healthcare career in physical therapy before transitioning to marketing.  Chris has been active as a member of the national RBMA, also serving as President of the Colorado chapter for approximately five years, has served on the board of directors for the state organization for eight years.  

Deborah MacFarlane
Client Services
Western Operations