Cuvelier Joins CohnReznick as Transaction Advisory Services Partner

November 20, 2025 – CohnReznick, a leading professional services firm, today announced that Sebastien Cuvelier has joined as Transaction Advisory Services Partner. As a strategic finance and M&A executive, Cuvelier has more than 25 years of global experience advising Fortune 1000 companies and private equity firms across industries including software, technology, telecom, consumer, and healthcare.

Cuvelier’s expertise spans buy-side and sell-side diligence, post-merger integration, carve-outs, financial modeling, IPO readiness, cash optimization, and internal control implementation. He has advised on more than 500 global M&A transactions ranging in value from $10M to $10B. Cuvelier is well-recognized for his ability to drive value creation while serving as a trusted advisor to C-suite and private equity leaders and boards.

“Sebastien brings deep technical and industry expertise across the transaction life cycle to our growing Advisory team,” said Margaret Shanley, Transaction Advisory Services Practice Leader. “His commitment to client service excellence, along with many years of global transaction experience, will be a major asset to CohnReznick as we help our clients navigate increasingly complex deal structures in today’s rapid-pace environment.”

Prior to joining CohnReznick, Cuvelier launched and led the M&A practice for a major professional services firm. Additional prior experience includes has more than 15 years of Big Four experience. Cuvelier holds a master’s degree in finance & accounting (DESCF & DECF) and a Diplôme d’Expertise Comptable (French Chartered Accountant) and is a CPA in New Hampshire. He is fluent in English and French (native), with intermediate proficiency in German.

About CohnReznick

CohnReznick helps organizations optimize performance, manage risk, and maximize value through associated firms operating under the CohnReznick brand: CohnReznick LLP, a licensed CPA firm providing assurance services; and CohnReznick Advisory LLC (not a licensed firm) providing advisory and tax services. Together, CohnReznick provides leaders with deep industry knowledge and relationships, solutions to address clients’ unique business goals and risks, and insight on how emerging market forces can drive opportunity. With offices nationwide, CohnReznick serves organizations around the world as an independent member of Nexia.