Micheal J. "Sonny" Sonnenstein.

Michael J. "Sonny" Sonnenstein

Senior Vice President and Chief Information Officer for Consumer, Business and Digital Banking, M&T Bank


Sonny is an experienced chief information officer with a thirty year track record of defining and delivering strategic solutions to deliver value in top tier financial services organizations. He has a unique blend of extensive business strategy experience combined with a deep level of technical expertise that have allowed him to deliver significant innovation and value to his internal and external clients. He has a demonstrated ability to lead large scale, global change efforts from concept through implementation, leveraging his consultative approach to rapidly assess options, make decisions and achieve results. He has a strong financial services background, having worked across all business segments, including retail banking, mortgage, wholesale banking, wealth, brokerage, capital markets and investment banking.


MBA, Finance/Management Information Systems, Cornell Johnson School of Management, 1991

BS Business Management and Marketing/Accounting, Cornell University, 1990