Gary Kemnitz

Our Partners

Gary Kemnitz



— Practice Group: 
Tax Services
— Practice Group: 
Valuation & Transition Services

Gary has practiced public accounting for more than 30 years. His ability to truly listen to his client’s needs and find unique solutions to their concerns has allowed him to develop a wide-ranging and dedicated following of clients.

Professional Experience

Gary has truly seen it all in accounting including even a year as an internal auditor for a multi-national corporation. His current emphasis is business and personal taxation, but his background includes many years of experience in a traditional audit/accounting role. He also has conducted numerous fraud and forensic investigations. This experience has lead him to be hired as an expert witness on a variety of civil matters. He has also conducted fraud investigations that ultimately lead to criminal indictments.

Prior to merging with Porte Brown, Gary was a partner with Borhart Spellmeyer and in charge of their tax department. His prior experience also includes 27 years with a top 20 Chicagoland public accounting firm where he served in a variety of capacities including a position on their Executive Committee.


Federal & State Income Tax Planning and Compliance

Accounting and Assisting with Financial Statement Presentation

Cash Flow and Banking Assistance

Forensic Accounting

Business Valuations

Consulting on Mergers and Acquisitions (Buy Side or Sell Side)


B.S. Accountancy, Northern Illinois University


Certified Public Accountant

Certified Fraud Examiner

Certified Valuation Analyst

Civic & Professional Involvement

Member & Past Chair of the Illinois CPA Society Ethics Committee

American Institute of Certified Public Account, member

Illinois CPA Society, member

Association of Certified Fraud Examiners, member

National Association of Certified Valuation Analysts, member

Past President of St. Charles Rotary Club and St. Charles Rotary Foundation

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Did You Know?

At Porte Brown we know that interesting people make for interesting stories. We pride ourselves on being relatable professionals with family, friends, interesting hobbies, and a deep appreciation for individual growth!

Did you know Gary...

• Plays goalie for a hockey team at Fox Valley Ice Arena

• Took organ lessons as a child (Grandfather played professionally)

• Is married to a Culinary Institute of America (CIA) Chef

• Played Bozo buckets when he was 6 years old (missed on bucket 4)

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