Isabella Bank Appoints Financial Executive Brian Tessin to its Boards of Directors

Rhea-AI Summary

Isabella Bank (NASDAQ:ISBA) appointed Brian Tessin to the Isabella Bank and Isabella Bank Corporation boards, effective October 6, 2025.

Mr. Tessin is chief tax officer at Dow, with more than 30 years of tax and financial leadership across global organizations, prior roles at Albemarle and Dow Corning, and a background in public accounting. He holds BS degrees in Accounting and Finance, a JD, an MS in Taxation, is a CPA, and is a licensed Michigan attorney. Management highlighted his experience in tax strategy, financial reporting, M&A, and regulatory compliance and said his local ties and governance experience will support the bank's growth and fiscal responsibility.

Positive

• Adds 30+ years of tax and financial leadership experience
• Brings expertise in tax strategy, financial reporting, and M&A
• Local ties and prior board service reinforce community governance

Negative

• None.

MT. PLEASANT, MI, MI / ACCESS Newswire / October 9, 2025 / Isabella Bank Corporation has appointed Brian Tessin to the Isabella Bank Board and Isabella Bank Corporation Board of Directors, effective October 6, 2025.

Mr. Tessin is the Chief Tax Officer for Dow Inc., overseeing all aspects of tax strategy, planning, compliance, and financial reporting. He has more than 30 years of experience in tax and financial leadership across global organizations.

"We are honored to welcome Mr. Tessin to our Boards of Directors," said Jerome Schwind, President and Chief Executive Officer. "Brian's extensive experience in global tax strategy, financial reporting, M&A, and regulatory compliance will be instrumental as we continue to grow and navigate an increasingly complex financial landscape. He knows our communities well, and his leadership and insight also reinforce our commitment to sound governance and fiscal responsibility."

Prior to rejoining Dow in 2019, Mr. Tessin was Vice President, Tax and Chief Tax Counsel for Albemarle Corporation. Earlier in his career, Mr. Tessin spent nearly two decades at Dow Corning Corporation, ultimately serving as Corporate Vice President of Tax. He began his professional career in public accounting, gaining foundational experience in both tax and assurance.

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

He is an active member of several professional organizations, including the State Bar of Michigan, Tax Executives Institute, and serves on tax policy committees for the Financial Executives Institute and the National Association of Manufacturers. Mr. Tessin also has served on the boards of Midland Tomorrow (Midland Business Alliance's economic development organization), and Wellspring Lutheran Services of Michigan.

"I am excited to join the Isabella Bank Board of Directors," said Tessin. "Isabella Bank has a long-standing reputation for excellence and community commitment. I look forward to contributing to its continued success and supporting its mission of delivering trusted financial services in our communities."

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Isabella Bank Corporation (NASDAQ:ISBA) is the parent holding company of Isabella Bank, a state-chartered community bank headquartered in Mt. Pleasant, Michigan. Isabella Bank was established in 1903 and has been committed to serving the local banking needs of its customers and communities for more than 122 years. The Bank offers personal and commercial lending and deposit products, as well as investment, trust, and estate planning services through Isabella Wealth. The Bank has locations throughout eight Mid-Michigan counties: Bay, Clare, Gratiot, Isabella, Mecosta, Midland, Montcalm, and Saginaw.

Contact:

Lori Peterson
VP Director of Marketing
Isabella Bank
Lapeterson@isabellabank.com
989-779-6333

SOURCE: Isabella Bank Corporation

View the original press release on ACCESS Newswire

FAQ

When did Isabella Bank (ISBA) appoint Brian Tessin to its boards?

The appointment became effective on October 6, 2025.

What role does Brian Tessin currently hold and how does it relate to ISBA?

He is chief tax officer at Dow, bringing expertise in tax strategy, compliance, and financial reporting relevant to board oversight.

How might the ISBA board appointment affect the bank's governance?

Company leadership said Tessin's experience will support sound governance and fiscal responsibility as the bank grows.

What professional qualifications does Brian Tessin have listed by ISBA?

He holds BS degrees in Accounting and Finance, a JD, an MS in Taxation, is a CPA, and a licensed Michigan attorney.

Does Brian Tessin have prior board or community service experience relevant to ISBA?

Yes; he served on boards including Midland Tomorrow and Wellspring Lutheran Services of Michigan and participates in tax policy committees.