Mike O'Brien

US Multistate Indirect Tax Leader

Mike O'Brien

127 Public Square

Suite 3300



United States


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Mike is a partner in Deloitte Tax LLP’s Multistate Tax Services. He has more than 30 years of experience in public accounting and industry experience in the state and local tax area. He provides state and local tax consulting services to clients in various industries including consumer products, financial, energy, consumer products, and entertainment. Mike is currently the national leader for Deloitte’s US Indirect Tax practice and also the Cleveland Multistate Tax office leader. He has previously held various leadership roles including Regional Tax leader for Deloitte’s US Central Region for both Direct and Indirect Tax and National Multistate Tax India leader. Mike is a certified public accountant and holds a certified member of the institute designation from the Institute for Professionals in Taxation for sales tax and income tax.

Mike O'Brien