About Michael P. Sullivan
Lived 1934 – 2024 (aged 89). Michael P. Sullivan was a lawyer.
Michael P. Sullivan (December 5, 1934 – November 20, 2024) was an American attorney and President and CEO of Dairy Queen.
Career Sullivan was a graduate of Marquette University and University of Minnesota Law School and former Naval officer. Sullivan practiced business and franchise law at Gray Plant Mooty for 25 years prior to becoming the CEO of Dairy Queen, including 10 years as the firm's managing officer.
Sullivan guided Dairy Queen from 1987 to 2001, and battled McDonald's, Wendy's, and Burger King in the fast food market. He also resolved internal problems with Dairy Queen distributors. Sullivan sold Dairy Queen to Warren Buffett and Berkshire Hathaway in 1998.
Sullivan also served as a Director of The Valspar Corporation from 1990 to February 2005. Sullivan died on November 20, 2024, at the age of 89.
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Important facts
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Frequently asked questions
Who was Michael P. Sullivan?
American lawyer
When was Michael P. Sullivan born?
Michael P. Sullivan was born on 5 December 1934.
When did Michael P. Sullivan die?
Michael P. Sullivan died on 20 November 2024.
What was Michael P. Sullivan's occupation?
Michael P. Sullivan was a lawyer.
Sources & further reading
· Wikipedia: Michael P. Sullivan
· DBpedia: Michael P. Sullivan
Cite this page
APA: Biography.guide. (2026). Michael P. Sullivan. https://biography.guide/michael-p-sullivan/
MLA: "Michael P. Sullivan." Biography.guide, https://biography.guide/michael-p-sullivan/.
Chicago: "Michael P. Sullivan." Biography.guide. https://biography.guide/michael-p-sullivan/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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