Leadership Team

Experienced, Knowledgeable, Dedicated, Accountable


Michael McCleary



A veteran of the club technology industry, Mike brings a noteworthy tenure of expertise to his role as csg’s VP of Sales & Services. Since 1980 with Diamond Management Systems, Mike has lent his experience, professionalism, and accountability to an array of positions, including Systems Integrator & Trainer, Support Manager, Product Development Manager and Account Manager. While these experiences are surely diverse, all have provided an outlet allowing Mike to do what he is most passionate about: interacting with a wide array of clients and staff in a variety of settings.

Dennis Linberger



A Certified Customer Service Agent, Dennis Linberger has dedicated his career to serving the private club industry since 1975. Like many of his colleagues, Dennis has left his mark on many roles within the company over the course of his career. Following his first role of Manager of the service bureau for Diamond Management Systems, Dennis’ diligent approach to overcoming clients’ challenges paired with his product expertise led to subsequent positions as Project Manager, Installation Manager, and Customer Support Manager. In 2010, Dennis was promoted to VP of Client Services.

George Heath



George started his career in 1998 at an exciting period in our company’s history, immediately prior to the merger of CCS and DMS (forming clubsystems group). As our popular DOS-based applications were in need of a technological update pending Y2K, and with the first release of Windows-based applications pending, George was part of a team of developers that successfully produced our ClubConnect® suite of modules. As more and more features and enhancements were developed and integrated to this comprehensive suite, George’s skills and dedication allowed him to advance to more and more responsible roles within the organization, eventually leading to his present role as Director of Research & Development for csg.

John Tyrrell



John came to clubsystems group in 2000, initially working as a POS Support Representative. Based on his growing experience with our applications, his troubleshooting skills and personal attributes, John was then promoted to Support Team Leader, where he was able to mentor others to similar success in supporting our clients in a broad array of applications. Wanting to service our clients from a different perspective, in 2007 John then assumed a role on the ClubHouse Online Sales Team, where his experience with club operations helped him to successfully migrate many clients to our new web offerings. His promotion as Account Manager for the Mid-Atlantic region in 2009 was a next logical step, and John continues to help clients to embrace new technologies, while maintaining a high level of service and dedication to our clients.

John Sanders



Coming Soon.