Photo of S. Jack Campbell 

S. Jack Campbell


MASI, Ltd.

Location: Chicago, United States
Work phone: +1 847-948-7300 ext. 19
Mobile: +1 847-404-1671


Jack Campbell is a Certified Public Accountant (CPA), an attorney and the Managing Principal of MASI, Ltd., Oaklins International’s member firm in Chicago. He is a founding member and visionary of M&A International Inc. (now Oaklins International). Previously, Jack served as M&A International’s Chairman and President for three terms during the last 32 years.

Prior to founding MASI, Ltd., he managed a full service practice office for EY for a number of years and served as a member of the EY National M&A Team and leader of the EY Midwest Region M&A Practice.