Isabella Bank appoints Dow tax executive to board of directors

MT. PLEASANT, MI - Isabella Bank Corporation (NASDAQ:ISBA), a $265 million market cap financial institution that has delivered over 40% returns year-to-date, has appointed Brian Tessin to its board of directors and the board of its subsidiary Isabella Bank, effective October 6, 2025.

Tessin currently serves as Chief Tax Officer for Dow Inc., where he oversees tax strategy, planning, compliance, and financial reporting. He brings more than 30 years of tax and financial leadership experience to the position. According to InvestingPro, Isabella Bank has maintained strong financial health with a P/E ratio of 16 and an attractive dividend yield of 3.11%.

Prior to rejoining Dow in 2019, Tessin was Vice President, Tax and Chief Tax Counsel at Albemarle Corporation. He previously spent nearly two decades at Dow Corning Corporation, ultimately serving as Corporate Vice President of Tax.

The Saginaw, Michigan native holds dual Bachelor of Science degrees in Accounting and Finance from Ferris State University, a Juris Doctor from Thomas M. Cooley Law School, and a Master of Science in Taxation from Walsh College. He is both a Certified Public Accountant and a licensed attorney in Michigan.

Tessin is active in several professional organizations, including the State Bar of Michigan and Tax Executives Institute. He has also served on boards for Midland Tomorrow and Wellspring Lutheran Services of Michigan.

Isabella Bank, established in 1903, operates locations throughout eight Mid-Michigan counties, offering personal and commercial banking services as well as investment, trust, and estate planning through Isabella Wealth.

The appointment was announced in a press release statement from the company.

In other recent news, Isabella Bank Corp reported significant updates regarding its corporate governance and leadership team. The company’s board of directors approved the Second Amended and Restated Bylaws, which clarify procedures for annual and special shareholder meetings. These changes were disclosed in a press release and detailed in a recent SEC filing. Additionally, Isabella Bank Corp announced the immediate termination of Chief Financial Officer William M. Schaefer. The termination was not due to any disagreements over company operations or deficiencies in financial controls. Neil McDonnell, currently President of Isabella Bank, has been appointed interim CFO while the company searches for a permanent replacement. In another development, Piper Sandler adjusted its price target for Isabella Bank Corp, lowering it to $34 from $37.50, while maintaining a Neutral rating. The adjustment was based on lower peer multiples, although the target still reflects a premium compared to peers.

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