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CEO, DSS, Inc. - Mark Byers

An entrepreneur and expert in supporting, developing and managing information systems, Mr. Byers leads the DSS, Inc. and Sage HMS management teams. Mr. Byers founded DSS, Inc. in 1994 and since that time it has provided integrated clinical and administrative applications for VistA, the award winning health care information system used by the Veterans Health Administration (VHA). DSS also offers vxVistA, an open source, enhanced version of VistA for use in non-VA settings, as well as a complete suite of add-on modules that improve the capabilities of VistA. The company provides software, integration, installation, project management, training, support and development for VistA and vxVistA. DSS is also a supporter and founder of, a collaboration environment supporting the adoption of VistA and vxVistA, as well as thought leadership and best practices.

Under his leadership, today DSS, Inc. employs more than 275 employees and currently there are over 2,300 facilities that use DSS clinical and administrative applications. In 2007, DSS, Inc. acquired Sage Health Management Solutions, Inc. as a wholly-owned subsidiary.

Mr. Byers has more than 30 years of diverse information technology and management experience in a variety of industries including health care, insurance, aerospace and defense, manufacturing and consumer products. He has 17 years experience as a computer programmer, business analyst, project manager and consultant and has been involved in the development of electronic medical record software for over 11 years.

Mr. Byers has a B.A. in Economics from the University of Missouri and an A.S. in Data Processing from St. Louis Community College.

Additional information about DSS, Inc. can be found a

President & Founder - V. Katherine Gray, Ph.D.

Dr. Gray has a broad background in management, product development, and marketing and sales in health care.  She has been a senior executive at Physicians' Health Plan (now Medica)--a United Healthcare Corporation managed health plan, Health Risk Management, the Center for Diagnostic Imaging, HealthOne Corporation--a hospital corporation, and the Ebenezer Center for Aging.  Her twenty-five year career has included management positions in many segments of the health care industry, including HMO's and managed care, health care management for self-insured employers, long-term care, hospital systems, Medicaid and Medicare risk contracting, and specialty care clinic systems.

A pioneer in health care quality and efficiency improvements, in 1997 Dr. Gray founded Sage Health Management Solutions, Inc. and has led an experienced team to develop a patented technology to improve the diagnostic process using Computerized Provider Order Entry (CPOE) combined with evidence-based imaging clinical decision support. She was recognized by the U.S. Department of Commerce for her entrepreneurial efforts when she represented America at the first Franco-American Entrepreneur exchange in Paris in 2005.

Dr. Gray has served on several non-profit boards, as well as private and public sector committees, including her current position on the Medical Alley Board of Directors.  Dr. Gray is the recipient of the 1994 “Woman of Distinction Award,” the 1999 Mansfield, Tanick & Cohen “Women's Entrepreneurship Award,” and the Women's Health Leadership Trust's “Outstanding Achievement Award.”  In July 2001, she was recognized by City Business as one of the 25 Most Innovative Women in the Twin Cities for the technology developed and patented by Sage HMS.  Dr. Gray has completed a BBA in Marketing from Marshall University, Huntington WV, and MA, PhD, and Post Doctoral Year at the University of Minnesota.

Medical Director - Paul R. Hamann, MD, MS

Dr. Hamann has more than 30 years of experience in health care, including private practice, hospital and business management, private sector consulting and leadership positions for the Minnesota Medical Association (MMA).

He served six years as Vice President for Medical Affairs (VPMA) at North Memorial Health Care in Robbinsdale, Minnesota. While VPMA he chaired the committee responsible for hospital quality improvement efforts and Joint Commission survey preparations, and led numerous initiatives to change, define and improve medical staff management issues. Dr. Hamann co-founded The Minnesota Lung Center in Minneapolis, retiring from practice in 1997.

In addition, Dr. Hamann has been a consultant to various health care organizations on clinical pathway development and implementation, medical staff by-laws revisions and credentialing and privileging. He also has been an intermittent consultant with the Joint Commission Resources. He has been a requested speaker on the topics of physicians' role in health care organizations, and quality improvement initiatives (CQI).

Dr. Hamann has held many leadership positions with the MMA including two terms on both the Finance and Administration Committee and as Chair of the Organized Medical Staff Section; and consecutive terms as Vice President. Since 1999 he has been a member of the Respiratory Care Practitioner Advisory Council of the Minnesota State Board of Medical Practice.

He is a graduate of the University of Minnesota Medical School and completed his Internal and Pulmonary Medicine training through the University of Minnesota Hospitals and Clinics. He received a B.S. in Biology from St. John's University, Collegeville, MN; a M.S. in Physiology and Pharmacology from the University of North Dakota, Grand Forks, ND; and M.S. in Administrative Medicine from the University of Wisconsin, Madison, WI.

Controller - Heidi Thompson, MBA

Ms. Thompson has a strong 15-plus year financial management background working with large and small companies. She currently manages the company's day-to-day accounting, payroll and financial planning needs. Previously she was a Senior Financial Analyst for Boston Scientific, a Fortune 500 medical device company where she worked with senior managers on cross-functional teams in product development, production and marketing. Prior to that she worked in finance for Honeywell, a Fortune 100 company, where she was selected for its management fast-track program.

Her educational credentials include an M.B.A. from the University of St. Thomas, St. Paul, MN, and a B.A. in Applied Mathematics from the University of Wisconsin-Stout, Menomonie, WI.