Vincent J. Carstons, President - Vince is a CTEC certified tax professional, has more than thirty years of management and business experience, and has served in the financial field as an Accounting Manager, Controller, CFO, and CEO. He has also been a director and an operator in the hospitality industry for more than twenty-five years. Email Vincent at: vcarstons@abacusbusinessservice.com .

Kristina K. Carstons, Chief Executive Officer - Kristie is a certified medical biller and has worked with several medical specialties. She has the capability of working with medical billing systems both in-house and on a remote access basis. Kristie also manages the Administrative Services Division. Email Kristina at: kcarstons@abacusbusinessservice.com .