Back to top


GKA’s principals are experienced executives with a wealth of knowledge in various industries. They are committed to providing outstanding service and solutions to our diverse clients.

Chris G. Gardiner, CPA; FCCA. Mr. Gardiner is the founder and President of GKA. Prior to founding GKA, he was an employee of PricewaterhouseCoopers (formerly, Coopers & Lybrand). Mr. Gardiner lives in the District of Columbia and is actively involved in the community. He is the former Chair of the Mayor’s Advisory Commission on Caribbean Community Affairs and is the Founder and Chair of the Caribbean-American Political Action Committee. He is a former treasurer of the Board of Directors of Howard University Hospital, the Public Benefit Corporation (Parent Corporation of DC General Hospital) and the Greater Washington Society of CPAs. He is also a former member of the Council of the Woodrow Wilson International Center for Scholars and of the Board of Directors of The Center for Development and Population Activities.

Mr. Gardiner is a British Chartered Accountant (Fellow of the Chartered Institute of Certified Accountants) and a Certified Public Accountant.

Roger Dent, CPA. Mr. Dent is Vice President of Finance. He has over 25 years of experience in managing, staffing and supervising financial accounting, systems conversions and contract administration operations. Mr. Dent’s background also includes contract negotiations administration, and maintenance with Civilian and Department of Defense Agencies including Civilian and DCAA Purchasing Systems; Contract Audits, Incurred Costs Audit Reporting and Negotiating; Cost Impact Studies, Computer Algorithm Audits and GSA Contract Audits. He has substantial experience in systems design, development and implementation of financial accounting systems.

Mr. Dent has a BS in Accounting from Howard University and a Masters of Science in Finance from Southeastern University, DC.

John Mensah, CPA; CISA; CITP. Mr. Mensah is Vice President of Professional Services. He has over fifteen years of experience in auditing, accounting and financial system reviews, including identifying critical control points, performing detailed testing, evaluating and analyzing test results and developing written recommendations to improve internal control weaknesses. Mr. Mensah has been responsible for various audit engagements including CFO Act and FMFIA audits, audits of large corporations and government entities and OMB Circulars A-123, A-127, A-130 reviews. He has extensive experience in the areas of Federal government accounting and audits, reviews and financial advisory services engagements.

Mr. Mensah has a BA in Economics from the University of Ghana, a Masters of Philosophy in Economics and Politics of Development from Cambridge University, England and a M.A. in Economics from Simon Fraser University, Canada.