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John Zimmerman


Phone: 240-200-1400
Office: Maryland
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John Zimmerman CPA

“The key to our success lies in our commitment to strive for excellence through constant improvement and our desire to achieve client satisfaction. I believe the evidence of that success is found in our clients’ loyalty.”

Originally from Pittsburgh, John Zimmerman joined Buchbinder in 1984 just after graduating college from the University of Pittsburgh. He was the second hire for the firm’s Maryland office and would often drive Raymond Buchbinder from the airport to his largest clients in Washington, D.C. and Maryland. It was during those car rides that John gleaned the importance of high quality service and cultivating personal connections – regardless of that individual’s position within an organization – as the firm’s foundational values. Today, John serves many of those same clients as a third generation partner.

Service with a Personal Touch

Named managing partner in 2011, John has been the partner-in-charge of the Maryland office since 1993, overseeing all day-to-day operations. He describes his leadership style as consensus building, striving to bring common ground to all the different passions in the firm.

John works closely with labor unions, employee benefit plans, and non-profit organizations, but his specialty is collectively bargained Taft Hartley plans. He conducts audit and assurance services, prepares required government reporting returns, presents financial statements to governing boards and provides updates to client management on current developments in their industry. He also serves as a management consultant to resolve complex accounting and internal control issues. Regardless of the engagement, John makes it a point to personally review any high risk or sensitive areas related to his clients.

In his spare time, John leads his church’s audit committee, volunteers with a local non-profit that provides holistic support to families in poverty, and has served as assistant coach to sports teams in which his children have been active. He also loves to cook for family gatherings and parties at his home. His passion is to try out cooking ethnic foods – his favorite being Mediterranean styles.

John earned his Bachelor of Science in Business and Accounting at the University of Pittsburgh. He is a member of the American Institute of Certified Public Accountants, the Maryland Association of Certified Public Accountants, the International Foundation of Employee Benefit Plans, as well as, the firm’s Employee Benefit Plan Committee. He is licensed to practice in Maryland, Pennsylvania and New York State.