Michelle Lehmann, <span class="title">CPA</span>

Michelle Lehmann, CPADirector and Head of Audit and Assurance

P 630.703.7444 | F 630.581.8301

Michelle Lehmann is a Director and Head of the firm’s Audit and Assurance Services Group, bringing more than 20 years of experience delivering professional services to middle market private companies. She has extensive experience in audits and reviews of financial statements and employee benefit plan audits, as well as advising in the areas of strategic planning, change enablement and operational excellence.

Michelle enjoys helping clients achieve their business goals by providing high-quality service across all business solutions. Over her career, Michelle has worked in a range of industries including manufacturing, not-for-profit, higher education, professional services and technology.

Michelle plays a pivotal role in managing the firm’s Audit and Assurance Services Group, overseeing strategies for more effective service delivery, process enhancements and driving growth.  She has a passion for coaching and mentoring the audit team so that they may achieve their unique  professional and personal goals.

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Firm News

08.11.25

ORBA Ranked as a 2025 Top 200 Firm by INSIDE Public Accounting
CHICAGO — ORBA, one of Chicago’s largest public accounting firms, has once again been recognized as a 2025 IPA Top 200 Firm by INSIDE Public Accounting (IPA). This marks the eleventh time since 2013 that ORBA has made the list of the country’s top firms. In the IPA’s annual report, ORBA is ranked #113, climbing five spots higher than last year, and is the highest ranked of the six Illinois firms on the Top 200 list.

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Guides

ORBA will gladly provide you with hard copies of the useful guides listed below. Select which guides you would like to receive and submit the form below.

  • Tax Pocket Guide
  • Tax Planning Guide
  • Records Retention Schedule
  • Auto, Travel & Business Log

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