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Experiential Learning Center


John Wonak

John is the CEO and Founder of Sea Level Advisory Group, LLC, a diversified consulting firm featuring advisory board services for small to middle market sized companies and their C-level executives. Prior to founding Sea Level Advisory Group, John cofounded the national telecommunications firm, OPEX Communications and served as its Chief Financial Officer, eventually guiding its sale in 2007. John spent the first 20 years of his career in public accounting, including several years with the national firm, BDO Seidman, and ten years with his own CPA firm which he sold in 1997. In addition to being a Certified Public Accountant, John earned both a B.S. in Accounting and a Masters in Business Administration (MBA) from Northern Illinois University.

John is an adjunct professor of Finance in the Executive MBA Program at Northern Illinois University, and serves as a coach in NIU's Experiential Learning Center (ELC). John has also served as an instructor at DePaul University's Coleman Center for Entrepreneurship, having taught a course on Finance to business owners, and currently serves as a mentor to student entrepreneurs.

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