Leadership Team

Smartlink Health Leadership

Experienced. Honest. Committed.


The Smartlink Health Solutions leadership team possesses over 120 cumulative years of professional experience from startups to large organizations, including over 130 years of healthcare industry experience. Dr. Tong has assembled a team with highly complementary skill sets from across a variety of relevant parallel industries, including EMR, medical device, IT consulting, business consulting, mobile technology, SaaS and on-premise software.

Siu Tong Ph.D Smartlink Health CEO

Siu Tong, PhD

Chief Executive Officer

Siu Tong is a successful serial entrepreneur, who mixes a creative mind with an astute eye for filling clinical gaps using technology. Prior to Smartlink, he founded and was CEO of Infina Connect Healthcare Systems, which was one of the top 10 companies in the Wall Street Journal 2013 “Startup of the Year” series. He received numerous awards including a 1998 Entrepreneur of the Year Award (from Ernst & Young, USA Today and NASDAQ), two consecutive Deloitte & Touche Technology Fast 500 awards, a 1998 National HOT 100 Company (from Dun & Bradstreet Entrepreneur Magazine), Industry Week Technology of the Year Award (25 Best Invention Worldwide), Automotive News magazine PACE Award (8 Best Automotive Invention Worldwide), and a ranking as the 178th fastest-growing technology company in U.S. and Canada. Mr. Tong was Chairman and founder of Optimum Technologies, GMA Healthcare, Engineous Software, and led a software development team at General Electric’s Global Research Center. Mr. Tong has a B.S. in Engineering from Cornell University and a Ph.D. in Aeronautical Engineering and Management Science from the Massachusetts Institute of Technology.

Alex Tse, MD Smartlink Health Chief Medical Officer

Alex Tse, MD

Chief Medical Innovation Officer

Dr. Alex Tse is a primary care provider with over 40 years of experience in primary care practice.  He is board certified by the American Board of Obesity Medicine and experienced in chronic care management, especially obesity, diabetes, and its complications. He’s also an active member of the Obesity Medical Association, the American College of Allergy, Asthma & Immunology, American Medical Association, NC Medical Society, NC Pediatric Society, and an expert medical case reviewer for the NC Center for Medical Excellence. Dr. Tse is a graduate of the University of Hong Kong Medical School and had his residency and fellowship training at the New Jersey Medical College of Medicine & Dentistry, Department of Allergy and Immunology, and Children’s Hospital in Boston, Massachusetts.

Ginny Mahaney MBA Chief Commercial Officer for Smartlink Health

Ginny Mahaney

Chief Commercial Officer

Ginny has over 20 years of experience in sales and marketing, with deep expertise in differentiated positioning and growth strategies for B2B companies. In her most recent role, Ginny served as Vice President of Marketing for Samanage, where she managed the transition of the marketing function from Israel to the U.S. and revamped the marketing strategy, including rebuilding the team, updating the positioning, new brand building initiatives, and new lead generation programs. Her innovative growth strategies increased lead volume by over 50% and decreased cost per opportunity by 25%. Previously, Ginny served as the Vice President of Marketing and Product Management at Parata Systems, where she led the development of marketing and product management teams and launched a new customer acquisition strategy, contributing to YOY growth of 85% in the company’s key product line. She has also served as the Director of Marketing, Acute Clinical and Business Solutions and Director of Marketing, Customer Segment at Allscripts and Global Director of Online Marketing for Qlik.

Ginny has a B.A. from The Pennsylvania State University and an MBA from Duke University.


Mark Dunnagan

Vice President, Health Informatics

Mark is an experienced and pragmatic technology executive focusing on the delivery of Smartlink’s services and the continual improvement of our connection methodologies.  He’s been an integral part of the healthcare technology community for some time, having most recently performed as the Chief Architect of NC HealthConnex (one of the largest health information exchanges, or HIEs, in the nation).  Prior, Mark served as the Chief Technology Office of a local healthcare and government services company and as a Director at Oracle Corporation.  With over 25 years of technology delivery expertise, Mark has a deep understanding of healthcare’s real-world connectivity and interoperability challenges. As such, he works closely with our product and implementation teams to ensure Smartlink’s continued aggressive growth and customer success.


Greg Moyer

Vice President, Products

As a SVP of Operations with Allscripts Healthcare, Greg was responsible for product development, services, support, strategic planning, and overall P&L of the Allscripts ED business unit, focused on product excellence, customer satisfaction and profitability of Allscripts ED, a leading Emergency Department Information System (EDIS). As VP of Client Services with A4 Health Systems, Greg led the department through transitions in its product portfolio, refocusing and building services and support for a fledging EDIS system that achieved #1 KLAS rankings in key service and support areas and became a market leader. Prior to his years in healthcare IT leadership, Greg developed financial and analytical models in support of development projects for US and global clients, and led various software product and solutions projects as Project Manager and Technical Director. Greg has a Bachelors in Engineering from Georgia Tech, a Masters in Operations Research from UC Berkeley, and holds a certification as a Six Sigma Black Belt.


Naveen  Vangipurapu

Vice President, Software Development

With over 20 years of experience, Naveen heads the software development for Smartlink Health Solutions and has been involved in software development management, architecture, and systems integration. He is a results-driven professional who excels at managing, leading and architecting projects, collaborating with project teams, interfacing with clients, and developing and deploying technology to build successful solutions. Previously, he was a senior consultant and did various projects at Connecture, BCBS of Michigan, Mississippi and North Carolina. As a senior consultant, he had significant contribution in interfacing with the legacy applications, migrating to open source solutions and streamlining the product release process.

Naveen has a Masters Degree in Computer Science &  Business Administration from NC State University.


Barbara Marshall, SPHR, SCP

Director of Human Resources and Administration

Barbara Marshall is a solution-focused human resources professional with over 30 years of experience in the field.  She has worked in several different HR capacities in a variety of industries including over 20 years in the healthcare industry.  Barbara possesses experience in the areas of employee relations, conflict resolution, employee engagement, talent management, benefits and compensation administration, organizational design and risk/compliance management.  Smartlink is her third venture with a start-up company.

Prior to her position at Smartlink, Barbara was employed at Cardinal Innovations Healthcare Solutions where she and her HR Business Partners team played an integral role in two successful acquisitions/mergers which resulted in a 200% growth in the number of employees within a two- year period. Throughout her career, Barbara has led numerous HR initiatives constantly seeking ways to improve the company’s bottom line and staff morale. She also serves as a mentor to others who have selected the HR field as their career.

Barbara has a B.S. degree from South Carolina State University in Business Administration.  She maintains certifications as a Senior Professional in Human Resources (SPHR) and a Senior Certified Professional (SCP).