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Dennis Klein

Entrepreneurial Services Partner

Dennis joined MGO on July 1, 2022, with the merger of Nussbaum, Berg, Klein & Wolpow, CPAs LLP. He is well known in the accounting and financial services industry for his problem-solving abilities. His experience includes positions at a prestigious national accounting firm, as well as hands-on management and financial operations as treasurer of a regional retail clothing chain. His varied background gives him a client-sided perspective when dealing with financial matters ― a perspective upon which clients have come to rely.

Dennis delivers comprehensive accounting experience with customized, personalized service in a variety of fields. His specialized knowledge has helped his clients in tax compliance and planning, business and succession planning, ESOPs, and bankruptcy matters.

Also, based on his passion for helping others in need, Dennis is actively involved in the NYBKW Charitable Foundation.

Syracuse University, B.S. Accounting


  • Member, American Institute of Certified Public Accountants (AICPA)
  • Member, New York State Society of CPAs (NYSSCPA)

Treasurer, NYC Police Museum