Managing Principal
Thomas O’Sullivan is the Managing Principal of Yeo & Yeo’s Ann Arbor office. He has more than 23 years of certified public accounting experience which includes business consulting, tax preparation and audit experience. He is a member of the firm’s Tax, Health Care, Death Care, Litigation, Construction and Cannabis Teams.
Specializations
- Business consulting for management, financial reporting, and tax issues with a strong emphasis on the retail and wholesale sectors
- Fraud investigation and prevention
- Internal controls consulting
- Specialization in Cannabis advisory, tax, and accounting solutions, including license application consulting, entity selection, and access to capital assistance
Professional Certifications and Education
- Certified Public Accountant (CPA)
- Certified Fraud Examiner (CFE)
- Personal Financial Specialist (PFS)
- Eastern Michigan University, Bachelor of Business Administration, Accounting
Professional Membership
- American Institute of Certified Public Accountants
- Association of Certified Fraud Examiners
- Michigan Association of Certified Public Accountants
- Michigan Cannabis Industry Association
- Michigan Manufacturers Association
Community Involvement
- Ann Arbor/Ypsilanti Regional Chamber
- Member of St. Francis of Assisi Parish
- Saline Chamber of Commerce
- United Way of Washtenaw County