Mark Schultz Chicago CPA

Mark F. Schultz

Principal, Audit Department

In addition to his responsibilities as head of the firm’s Audit & Review Department, Mark co-chairs the firm’s not-for-profit practice group and spearheads the firm’s quality control efforts.

Tel: (630) 665-4440
Fax: (630) 665-5030
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Mark Schultz is a principal for Dugan & Lopatka. In addition to his responsibilities as head of the firm’s Audit & Review Department, Mark co-chairs the firm’s not-for-profit practice group and spearheads the firm’s quality control efforts.

Mark is a 1977 graduate of Illinois Wesleyan University and has a master of business administration degree from Northern Illinois University Graduate School of Business. He started his career with the accounting firm of Cliffton Gunderson in Joliet and became a Certified Public Accountant in 1979 and is a member of ICPAS and AICPA.

Mark’s clients range in size from a budget of $150,000 for a small nonprofit to revenues of more than $100 million for privately held companies. He is a nationally recognized leader in the accounting industry and has served on the American Institute of Certified Public Accountants’ Peer Review Committee, which is responsible for setting the quality standards for the public accounting industry. He is also a member and past chair of the Illinois CPA Society’s Peer Review Committee.

Mark is also a member of the AICPA Private Companies Practice Section, Technical Issues Committee. In 2012 he was honored by the Illinois CPA Society with a Distinguished Service Award for his significant contributions to the public accounting industry. He is an active speaker on various accounting and auditing topics, sits on numerous board of directors, and is very active in his community of Naperville, Illinois.


"We have been very happy with Dugan & Lopatka, namely Mark Schultz, who has been working with us on financial reviews, tax and other matters for several years.  Mark is always quick to respond to any questions and very patient with less experienced accountants.  We would highly recommend Dugan & Lopatka to anyone." -- Eva Zeisel, Hothead Technologies, Inc.

"I have the pleasure of working with Mark Schultz from Dugan & Lopatka.  He has been more than helpful. Whenever I have questions and/or problems he is very prompt at getting back to me with the answers and will gladly explain anything I do not quite understand." -- Maureen Clemente, Sieber Tool Engineering

"The Indian Prairie Educational Foundation has used the services provided by Dugan & Lopatka for over 20 years.  The professionalism of this firm in preparing our tax reports and audits has been consistent for all those years.  Specifically, Mark Schultz has provided outstanding consultation and recommendations for improvement so we are compliant with the laws for nonprofit organizations.  We have enjoyed our long partnership and look forward to many more years of service."  -- Kent Duncan, Indian Prairie Educational Foundation


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