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Home Our People Mark J. Deters

Mark J. Deters



Proud to be Withum.


Mark Deters is an audit partner in Withum’s Financial Services Group. Based in our Whippany, NJ, office, Mark specializes in providing services related to security transactions, investment banking, complex equity transactions, stock-based compensation, initial public offerings (IPOs), business combinations and registration and reporting under the Securities Act of 1933 and the Securities Exchange Act of 1934. He has expertise working with middle-market companies across a variety of industry sectors, including broker-dealers, SEC public registrants, emerging growth and technology companies, private equity and venture capital funds.

Mark has been involved with numerous IPOs, which raised in excess of $3 billion dollars. The majority of these IPOs were Special Purpose Acquisition Companies (SPACs) sponsored by the investment community. Mark has in-depth knowledge of the SPAC industry and is a frequent speaker at SPAC related seminars and panels as well as workshops on a variety of other accounting and auditing topics.

Mark earned his degree in business administration at Lycoming College and his MS degree in accounting at Fairleigh Dickinson University. He is a licensed certified public accountant in the state of New Jersey and is a member of the New Jersey Society of Certified Public Accountants (NJCPA) and the American Institute of Certified Public Accountants (AICPA).

Withum isn’t just a job— we’re a family, and we carry that spirit together in everything we do. We live the Withum Way. We are catalysts for growth and success.

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