Award-Winning Customer Service

Our professional staff provides high quality, detailed processing of your financial data while giving you the information you need to feel secure throughout the process.

We are experienced with everyday accounting and tax issues. We can complete the busy work while your staff focuses on serving your clients.

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Office Address:
The A.C.T. Group, LLC
6228 N. Broadway St.
Chicago, IL 60660
Main: (773) 657-9810

Kevin Kummer, CPA


Kevin is a Licensed Certified Public Accountant and received his undergraduate degree in Accountancy from the University of Illinois at Urbana-Champaign and holds a Master of Business Administration from the University of Notre Dame. He brings many years of experience in the areas of Tax, Audit and  Finance. He has worked closely with firms to help them navigate through bankruptcy, mergers and acquisitions, implementation of new accounting systems and team building.


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Main: (773) 657-9810

Diane Dillon, CPA

Senior Accountant

Diane has been a public accountant for 18 years. She has worked with a wide variety of clients but especially enjoys working with small business owners. She has an undergraduate degree in History from Western Michigan University and completed her accounting degree at Northwestern University. In her spare time Diane loves to garden and also breeds and shows purebred dogs.

Main: (773) 657-9810

Joanna Polak

Tax Preparer, Bookkeeper

Our camera shy Joanna started with The A.C.T. Group, LLC in 2009 after receiving her Associates Degree in Accounting.  She started as our Processor and through the years has become invaluable as a Tax Preparer (Individual, Condo, Payroll & Sales Tax returns), Bookkeeper and Researcher.

office manager smiling

Main: (773) 657-9810

Cheryl Simon

Office Manager

Cheryl joined The A.C.T. Group, LLC as Office Manager in 2009. Prior to that she owned a recruiting firm and managed a family business. She enjoys traveling, the summer season and the wide variety of contact she has with our clients throughout the year.
Main:  (773) 657-9810

Doug Wagner, CPA

Doug has many years of experience in Tax and Audit.  He joined us in 2016 and has become a major part of our team!  He is enjoying living in the City after many years in the suburbs and is an all-around sports fan!
Main:  (773) 657-9810

Jessica Olsen

Administrative Assistant

Jessica is the newest member of our team and is doing a great job!  She is the “voice” of The A.C.T. Group and will be in touch with our clients on many levels.  She also enjoys theatre, hiking and all things creative!