Dennis is the Managing Partner of Grant Thornton's National Not-for-Profit & Higher Education Practices. In this capacity, Dennis has overall responsibility for the services performed by the Firm for clients in this sector nationwide, along with all related marketplace initiatives. Prior to joining Grant Thornton LLP in May of 2002, Dennis was previously part of Arthur Andersen LLP's Metro New York Not-For-Profit Practice.

Dennis received his B.S. degree, cum laude, in Accounting from Villanova University. Dennis has been a frequent speaker at various not-for-profit and higher education industry forums, including the AICPA, Practicing Law Institute, state societies of CPAs, including New York, New Jersey and Pennsylvania, NACUBO, and EACUBO. He has led and created numerous training sessions on a full range of not-for-profit accounting and auditing topics as well as the Uniform Guidance (previously, OMB Circular A-133) for Firm staff as well as the not-for-profit industry.

Dennis recently completed a three-year term on the FASB's Not-for-Profit Advisory Committee (NAC). He has written extensively for Grant Thornton's Not-for-Profit Industry letters, the Not-for-Profit Times and several other industry publications.