Ron Marklund


Ron helps his clients with their audit requirements, accounting needs and significant financial issues.

Tel: (630) 665-4440
Fax: (630) 665-5030
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Ron Marklund is a principal in the audit department for Dugan & Lopatka, one of Chicago’s 30 largest CPA firms focusing on small and midsized privately-held businesses and nonprofit organizations. In this capacity, Ron helps his clients with their audit requirements, accounting needs and significant financial issues.

In his role at Dugan & Lopatka, he works mostly with nonprofit organizations ranging in size from small newly formed organizations to $40 million nonprofit organizations. His nonprofit clients include educational institutions, civic groups, charitable organizations, religious organizations, business organizations, cultural groups, social groups, athletic clubs, and health & welfare organizations. This diversity allows Ron to bring “best practices” across his nonprofit clients in an effort to help clients achieve their goals.

He is a 1999 graduate of Olivet Nazarene University and is a member of ICPAB and AICPA. Prior to joining Dugan & Lopatka, Ron was affiliated with a large regional CPA and consulting firm where he served clients in its audit department.


"Ron is terrific. His audits are well planned and run smooth. And, he is a kind man as well." -- Bonnie Wyzgala, Family Shelter Service

"Dugan & Lopatka has done our annual audit and prepared our 990 for several years now. We have found the auditor, Ron Marklund, to be professional and personable every year. It seems we learn somethiong new each audit, and find the process interesting and constructive.  Our operations have improved through the annual audit process. Thank you for your good work!" -- Lisa Haderlein, Land Conservancy of McHenry County


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Dugan & Lopatka, CPAs, PC, 104 E. Roosevelt Road, Wheaton, Illinois 60187 -MAP- T: (630) 665-4440 Fax: (630) 665-5030