About Thomas S. Monahan
Born 1956. Thomas S. Monahan is a Canadian business executive, known for CIBC Mellon.
Thomas S. Monahan is the president and CEO of CIBC Mellon (as of November 2, 2009 ) succeeding Thomas C. MacMillan. Mr. Monahan was born in Arvida, Quebec (now Saguenay, Quebec), and is a native of Montreal, Quebec and has a bachelor of commerce degree from the McGill University Desautels Faculty of Management, and a degree from Vanier College.
Prior to joining CIBC Mellon, Mr. Monahan was National Sales Manager for CIBC Wood Gundy and Managing Director of CIBC World Markets from 1995 to 1999. From 1999 Mr. Monahan served as Head of CIBC Wood Gundy. He was named Chair and Chief Executive Officer of CIBC Investor Services in October 2002. He has also worked at the Montreal Stock Exchange and Merrill Lynch Canada.
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Important facts
Contemporaries
People whose lives overlapped Thomas S. Monahan's
Frequently asked questions
Who is Thomas S. Monahan?
Canadian businessman
When was Thomas S. Monahan born?
Thomas S. Monahan was born on 19 October 1956 in Arvida.
What is Thomas S. Monahan's occupation?
Thomas S. Monahan is a business executive.
What is Thomas S. Monahan known for?
Thomas S. Monahan is known for CIBC Mellon.
What nationality is Thomas S. Monahan?
Thomas S. Monahan is Canadian.
Sources & further reading
· Wikipedia: Thomas S. Monahan
Cite this page
APA: Biography.guide. (2026). Thomas S. Monahan. https://biography.guide/thomas-s-monahan/
MLA: "Thomas S. Monahan." Biography.guide, https://biography.guide/thomas-s-monahan/.
Chicago: "Thomas S. Monahan." Biography.guide. https://biography.guide/thomas-s-monahan/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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