John Mather
Forvis Mazars, LLP

John is the managing partner of Forvis Mazars' St. Louis and Decatur offices. He oversees the administration, planning, and operations for approximately 150 personnel serving more than 4,500 business and individual clients. Prior to becoming the St. Louis and Decatur practice unit managing partner, John was the national industry partner for the company's National Commercial Services Group and was responsible for overseeing a team of approximately 500 advisors who serve more than 4,600 commercial entities.

He serves clients in a variety of subindustries, including food and beverage manufacturing, consumer product manufacturing and distribution, professional services, industrial goods distribution, transportation, and oil and gas. He provides a range of accounting, audit, tax, and consulting services. His experience includes due diligence, mergers and acquisitions, feasibility studies, employee stock ownership plan implementation, debt financing, and cost accounting system development. His knowledge of mergers, acquisitions, and transaction services involving private equity and venture capital firms has allowed him to work closely with Forvis Mazars' Transaction Services division.

John is a member of the American Institute of CPAs, Missouri Society of CPAs, and Illinois CPA Society. He is also an active board member of the National Association of Manufacturers (NAM), where he has served for more than 10 years. As a board member, he provides a national and global perspective on the effects of federal government action on manufacturers’ ability to grow and prosper, and he assists with NAM’s policy development process.

He also serves on the board of directors at The Regional Business Council, he is on Greater St. Louis, Inc.’s chair’s council, and he is on the advisory board of one of St. Louis’ largest community banks. He is active in the United Way and was previously involved with the Center of Creative Arts, where he served on its board of directors, on the executive committee, and as treasurer. He currently serves on the Corporate Governance Board and Harrison Business School Advisory Board for Southeast Missouri State University, Cape Girardeau, and on the Trulaske Dean’s Advisory Board at the University of Missouri, Columbia.

John is a 1991 graduate of Southeast Missouri State University, with a B.S. degree in accounting.