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Gregory A. Nowak

Certified Public Accountant




Wayne State University Law School, J.D., 1986

Michigan State University, B.A. 1982

Bar Admissions

Gregory Nowak is one of Michigan’s leading experts on state and local tax issues. With more than 20 years experience, he focuses his practice on both structural tax planning and state tax controversy matters. 

Throughout his career, he has represented many major companies on multistate tax matters including clients in the manufacturing, retail, and transportation industries. Greg has litigated and negotiated issues involving all of Michigan's major taxes and has played an active advisory role in most of the significant Michigan tax controversies in recent years. He served as a technical advisor to the House Taxation Committee in 2007-2008 in connection with drafting the Michigan Business Tax, which replaced the Michigan Single Business Tax, as well as an advisor to Governor Rick Snyder's administration in 2010-2011 in developing the corporate income tax.

He is past chair of the Michigan Association of Certified Public Accountants.


Michigan State University, Major: Accounting

Detroit Regional Chamber, 2007 Volunteer of the Year Award

Michigan Association of Certified Public Accountants, 2008 Hoatlin Award; 2009 Special Recognition Award; 2012 Distinguished Service Award

Best Lawyers in America, Tax and Litigation, Controversy-Tax & Tax Law 2013-present; 2017 Detroit Tax Law Lawyer of the Year

DBusiness Top Lawyers, 2014-present

Professional Activities

Michigan Association of Certified Public Accountants (MACPA), Chairman of the Board 2010-2011

American Institute of Certified Public Accountants, Council Member 2007-present

State Bar of Michigan, Tax Section Member; State and Local Tax Committee, Former Chair

American Bar Association Taxation Section, Former Managing Editor "The State and Local Tax Lawyer"

Detroit Regional Chamber Tax Committee, Chairman

Michigan Legislature, Advisor on Tax Policy Issues

Civic, Cultural & Social Activities

Detroit Historical Society, Board Member

American Cancer Society, Michigan District Finance Chair

Detroit Yacht Club, Treasurer


Gregory is a frequent national speaker and author on state and local tax issues. 

"Goodbye MBT?  Exploring Michigan's Proposed Corporate Income Tax," Michigan Association of Certified Public Accountants Webinar, February 8, 2011

"The Michigan Corporate Income Tax & Analyzing Governor Snyder's Plan to Replace MBT," Michigan Women's Tax Association, Detroit and Grand Rapids, Michigan, February 16, 2011

"Tax Law Series: Hot Topics in State & Local Tax," ICLE's After Hours, Recent Developments in Sales and Use Tax, January 2011 

"Schedule UTP, Work Product and Privileged 'Communications': A Guide to Best Practices," Michigan Tax Conference, November 2010

"Services Tax: A Michigan Multi-State Perspective-Session I," Michigan Tax Conference, November 2010

"Taking Care of Business: Is the Michigan Business Tax Friend or Foe?," (Panelist), The Wayne Law Review's Annual Symposium in th Law, Detroit, Michigan, March 4, 2008


"Michigan Pays Out Most SBT Refunds in Compact Case," Bloomberg BNA’s Weekly Tax Report; Today’s Tax Analysts State Tax Today, May, 2016.

"Snyder tax break for business: 60%," (Interview), Crain's Detroit Business, March 13, 2011

"Improving Michigan's Tax Climate in Difficult Economic Times," Michigan Tax Lawyer, Winter 2011