Meet Our Leadership Team

Since 1998, HealthSystems has represented GE as the exclusive value-added reseller for Centricity Practice Solution in Georgia and Alabama. Our leadership team and entire staff are dedicated to providing hands-on customer service. We are always available to provide insight or answer questions.

Maurice Rosenbaum
Founder & President

Highly respected in the industry for his healthcare technology expertise, Maurice founded HealthSystems in 1998. He provides overall leadership and vision for the company, and customers and colleagues enjoy his enthusiasm and helpfulness. Maurice knows the ins and outs of Centricity Practice Solution and frequently weighs in with GE on technical topics.

Maurice’s background includes 20+ years of experience in information systems and the launch of several successful companies. Before founding HealthSystems, he was vice president of Channel Marketing at Technology Solutions International (TSI). His responsibilities included ensuring overall client and customer satisfaction and maintaining strategic relationships.

Earlier in his career, Maurice founded a personal consulting, tutoring, and software development business. He developed a software application for Tulane Medical School doctors that enabled them to manipulate physical data from a spectrophotometer.

A frequent speaker on technology topics, and enthusiastic advocate for healthcare technology innovation, Maurice earned a bachelor of science degree in Computer Science from Tulane University in New Orleans, where he also studied biomedical engineering. Active in many community organizations, Maurice also serves on the board of the Technology Association of Georgia (TAG) Healthcare Society.

Larry Stoumen
Chief Operating Officer

As COO, Larry focuses on enhancing the client experience at HealthSystems by building processes and infrastructure to support the company’s growing client base. He oversees a range of our company’s internal functions, from sales and implementation to training and support, and also works closely with customers to ensure their satisfaction with our service and the Centricity Practice Solution product. Larry is committed to ensuring that our customers enjoy the highest quality experience in the industry.

Larry joined HealthSystems in 2004. His background includes 25+ years of experience in technology management, support, sales and training at software and technology companies in Atlanta, including ten years at Informix Software. He began his career as a programmer analyst at BellSouth.

A graduate of Emory University with a degree in mathematics and computer science, Larry is active in the Technology Association of Georgia (TAG) and is on the board of the Men’s Health and Wellness Center.

Thom Cook
Vice President, Client Services

Overseeing HealthSystems’ training, support, implementation and technical teams is the perfect job for Thom. His insistence on providing outstanding customer service is evident in all the groups he supervises.

Prior to joining HealthSystems, Thom worked in technical support and operations for several medical software companies. His introduction to the healthcare technology industry came as an EDI specialist, technical support, and programmer. Thom also served in the Navy as an electronic technician supervisor for 10 years on a submarine crew. He is known for his problem-solving skills, his attention to detail … and his unfaltering memory.

At HealthSystems, customer satisfaction is Thom’s number one goal. His diligence in hiring, training and mentoring teams of seasoned professionals ensures that all HealthSystems customers are well taken care of from the moment they choose Centricity. Thom’s hobbies include hunting, fishing and playing golf.

Lisa Bonner
Director of Implementation & Training

Since 2003, Lisa has been helping HealthSystems’ customers do more with their PM and EMR systems — first in the support arena, then as a trainer and an  implementation specialist, and now as director of implementation and training. Lisa’s dedication to quality is appreciated by customers and coworkers alike.

Lisa has experience in many aspects of healthcare. She started her career 29 years ago as an office manager in an orthodontic practice and a few years later began working for a medical software company. It was there that she learned the ins and outs of implementation and the importance of exceptional customer support. At HealthSystems, her patience and insistence on getting things done right lay the groundwork for thorough training and smooth implementations.

In her free time, Lisa is an active member of Therapy Dogs, Inc., a pet therapy organization. She also participates in the Turner Syndrome Society and is on the board of directors for No Place Like Home, an after school program for foster children.

Sharon McKnight
Support Team Supervisor

Enthusiastic and results-driven, Sharon sets the tone as leader of the HealthSystems support team, which helps customers efficiently resolve their PM andSharon pic EMR issues, large and small.

Prior to joining HealthSystems in 2011, Sharon was a customer support manager for another Atlanta-based medical software company. With more than 20 years of experience in the healthcare technology industry, Sharon has done it all, from account management to implementation. Early in her career, Sharon served as assistant office manager for a family practice in Florida.

Sharon was born in Great Britain and relocated to Florida at the age of 15.  Sharon enjoys watching football (especially the Florida State Seminoles), playing racquetball and other forms of exercise. Sharon is a graduate of the University of Central Florida.