Mowery & Schoenfeld, a top 150 advisory, consulting, and accounting firm marking its 30^th anniversary in 2026, today announced the hiring of Michelle Lehmann as Assurance Partner and the key leader of its audit practice. Lehmann brings more than 20 years of public accounting and assurance experience, with a background in audit leadership, strategic planning, change management, and coaching and mentoring.

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Michelle Lehmann, Assurance Leader at Mowery & Schoenfeld

“Michelle is exactly what we need to help scale up our assurance practice as we look to double in size over the next few years,” Managing Partner Jeff Mowery said. “Her experience with leadership, mentorship, and process improvements will help grow the audit practice, increase our capabilities, and develop our team.”

The Firm’s audit and assurance practice is a key revenue driver, accounting for 15% of Mowery & Schoenfeld’s total revenue in 2025. In her role, Lehmann will help strengthen the service line’s market presence and support the team’s professional development while enhancing client experience. Her appointment also aligns with the Firm’s dedication to developing and elevating more women leaders at all levels.

“What drew me to Mowery & Schoenfeld was the firm’s clear vision for growth and its commitment to investing in people and remaining independent,” Lehmann said. “I’m excited to help shape the next chapter of the assurance practice by supporting our teams, deepening client relationships, and creating a scalable foundation for continued success.”

Lehmann has experience working with manufacturing, professional services, and technology clients, among many other industries. She previously served as Partner and Regional Assurance Practice Leader-Midwest at Citrin Cooperman; Head of Audit & Assurance at ORBA; and Managing Director, Audit Solution Delivery and other roles at Grant Thornton LLP. She earned a Bachelor of Science in Accountancy from Northern Illinois University.

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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Michelle Lehmann joins Mowery & Schoenfeld to help scale up the audit practice as the independent firm continues growing.