Deborah Keller COO of TCS Healthcare

Deborah Keller, RN, BSN, CMCN, CCMC, CPHQ


Previously serving in managed care executive leadership roles, Debb brings first-hand knowledge and understanding of the needs of TCS clients.  Debb has successfully developed and launched clinical programs to support Medicaid, Medicare, and commercial lines of business in multiple states.  Joining TCS in 2012 as a former client, Debb provides both content and user experience expertise to all TCS products.  Debb received her bachelor’s in nursing from Middle Tennessee State University.   She is passionate about maintaining certifications in all aspects of managed care as well as healthcare quality.

Matthew Fahner Director, Product Development

Matt Fahner


In his role as VP of Engineering, Matt leverages his 15 years of experience in information systems to assure that all TCS products align not only with client’s clinical needs but also with their technology needs including clinical/technical communication barriers, data security and data integration. With a background including system administration, software development, and implementation, Matt understands the inherent challenges related to healthcare software. Working with his US-based team, he oversees the design, development, and support of all TCS products. Matt holds a BS in Computer Science.

Steven Michaelis


Serving in his role as Director of Client Success, Steven is responsible for all aspects of client support and service. With over 10 years of experience in supporting clients including new product installations, configuration, and support, Steven understands what clients need in order to be successful in effectively leveraging technology. His broad background in information systems enables him to proactively anticipate client needs and communicate effectively with them. Steven holds a Bachelor’s degree in Computer Science.

Rebecca Freeman, CPA


Joining TCS in 2019, Rebecca brings over 15 years of finance and accounting experience leading teams in various industries ranging from start-ups to public companies. Rebecca’s management experience covers all aspects of the financial function including GAAP, internal controls, SEC reporting, planning and budgeting as well as broad experience in debt and equity transactions, including IPOs. Rebecca is responsible for finance and accounting, HR, office management and account management. Rebecca has a BS in Business Administration.