Mowery & Schoenfeld, a top 150 advisory, consulting, and accounting firm marking its 30^th anniversary in 2026, today announced the hiring of Brad Berthold as Assurance Partner. Berthold spent nearly 15 years at BDO USA, working his way up from associate to director during his time there.

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Brad Berthold, Assurance Partner at Mowery & Schoenfeld

“Brad joining our firm as Assurance Partner after our recent promotion of seven new partners reflects both how far we have come and where we are headed,” Mowery & Schoenfeld Managing Partner Jeff Mowery said. “His depth of assurance experience, leadership background, and commitment to client service strengthen our team at an important moment in the Firm’s growth. Brad brings the perspective and technical knowledge that will help us continue expanding our capabilities while staying focused on the relationships and values that have shaped us for three decades.”

Berthold is a CPA with extensive audit and assurance experience, advising clients through complex engagements and specializing in working with private-equity-backed portfolio companies, technology companies, and professional services firms. Before narrowing his focus to private equity, he managed audit engagements for both publicly traded and privately held entities. He has deep technical knowledge and takes a practical, hands-on, and client-focused approach to assurance. He holds both a Bachelor of Science and Master of Science in accounting from Illinois State University.

"I am thrilled to join a firm that is committed to independence, exceptional client service, and employee growth and development,” Berthold said. “The work Mowery & Schoenfeld has been doing to expand their already best-in-class advisory services fits perfectly with my background. I look forward to contributing to the Firm’s success for years to come.”

About Mowery & Schoenfeld

Founded in 1996, Mowery & Schoenfeld, LLC is a top mid-sized Illinois-based advisory, accounting, and consulting firm built to help businesses and entrepreneurs navigate challenges and move confidently into what’s next.

With a holistic, relationship-driven and people-first approach, we provide integrated solutions across tax, assurance, transaction advisory, wealth management, and international tax services to help clients make informed decisions, drive growth, and plan with confidence.

As our firm celebrates 30 years of progress and client service, we continue to evolve beyond traditional accounting services to deliver forward-thinking advisory and consulting services that connect expertise with strategic insight. Our teams partner closely with clients to solve problems and uncover opportunities that support long-term growth and build resilient businesses.

To learn more, visit msllc.com.

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Brad Berthold, CPA, joins Mowery & Schoenfeld as Assurance Partner. He specializes in working with PE-backed portfolio companies, tech companies, and professional services firms.