J.S. Held expands EH&S and forensic engineering practices with the acquisition of Veritox, Inc. & GT Engineering. View press release.


Louis Magnan, CPA, CFF, CGMA

Senior Vice President

212-952-5000 (Work)
914-671-9446 (Mobile)
120 Wall Street, Floor 30
New York, NY 10005

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Professional Registration:

Certified Public Accountant - State of New York, Florida and Illinois

Certified in Financial Forensics - CFF

Forensic CPA – FCPA

Chartered Global Management Accountant - CGMA

Summary of Experience:

Louis D. Magnan, CPA and his firm Magnan, Graizzaro (MG&A) joined J.S. Held in 2019. MG&A becomes the first Forensic Accounting Division of J.S. Held.

Louis is experienced in all forms of damage claims and has handled complex business interruption claims, builder’s risk, employee dishonesty, and large property damage claims. His recent engagements include measuring damages at a petrochemical manufacturer, evaluation of a physical damage claim relating to one of the largest utility companies in the Metropolitan, New York area as a result of Sandy, and evaluating disaster recovery expenses for one of the largest technological companies in the world as well as several Super Storm Sandy claims. He has also appeared on CNN regarding the largest cash theft in the United States.

With his broad skill and experience, Mr. Magnan has audited complex domestic and international claims for damages of the past 43 years with engagements covering six continents and has been called to serve as an expert at both state and federal levels. He also is a frequent lecturer at numerous seminars and conventions.