Business Management Team

U.S. MedSci’s leadership team is a talented mix of seasoned healthcare business executives and successful technology entrepreneurs – all backed by the expertise of some of the world’s foremost medical and behavioral health experts.


Michael Shaffer,  Co-Founder, President and Chief Strategy Officer
Michael is a results oriented leader with 20+ years leadership and management experience in manufacturing, telecommunications, and medical services and equipment.   Michael is a physicist that’s successfully bridging the gap between academic research and commercial execution.  When he isn’t working he can often be found with his wife and three kids on the golf course, hiking, surfing and traveling.


Bryan Mack, Co-Founder and Chief Marketing Officer
Bryan is a seasoned executive and entrepreneur with 15+ years of executive experience in healthcare services, finance and management in high-growth organizations.  He has been a founding member of several multi-million dollar companies and built two national sales organizations in the past 10 years.


Christine Whitaker, Interim CEO and full time Chief Technical Officer

Christine joined the team as a project manager and worked her way up.  She brings a unique mix of exceptional IT skills, biomedical engineering and statistical background and combines them with an innate ability too coordinate and communicate with teams across every spectrum of the business.  Under her guidance the company has made tremendous strides in growing both their client base and product offerings at a staggering rate.  When not working Christine enjoys family, volleyball and time on the water with her husband.


Annette Shaffer, Vice President
Annette brings a wealth of business experience both as an entrepreneur and international corporate business support experience.  Her background includes the successful launch of a promotional products company and international sales and marketing support for a large multinational company with duties that required her to become multilingual in supporting a team throughout Europe, Africa and the Middle East.  Annette brings her expertise to the administrative side of the organization.  When not working she can be found spending time with her 4 daughters and new grandbaby.


Louri Roberts, VP Revenue Cycle Management
Louri is a medical billing expert with over 15 years experience. She is uniquely qualified to assist in laboratory operations, process improvement and revenue cycle management. Degreed in microbiology, a former laboratory manager, and co-founder of a national laboratory medical billing company, her national view of reimbursement is critical to a strategic plan for optimal growth. Her dedication to incorporating compliance in each step of the process is critical in today’s audit environment.