Kenneth F. Teasdale


Title: Lawyer

Company: Armstrong Teasdale LLP

Location: Saint Louis, Missouri, United States

Kenneth F. Teasdale, Former Chairman of Armstrong Teasdale LLP, has been recognized by Marquis Who’s Who Top Lawyers for dedication, achievements, and leadership in Corporate Law.

Mr. Teasdale started out trying cases and ultimately ended up in corporate law, serving as chairman of the firm of Armstrong Teasdale from 1993 to 2010. He entered the private sector after serving with the Democratic Policy Committee of the U.S. Senate and working with the antitrust division of the U.S. Department of Justice. Mr. Teasdale is known for his work with Senator Michael Mansfield on the passage of the United Nations bond issue, the Nuclear Test Ban Treaty, and the passage of the Civil Rights Act of 1964. Mr. Teasdale was presented the Albert Nelson Marquis Lifetime Achievement Award, and was featured in the pages of Who’s Who in America, Who’s Who in American Law, Who’s Who in the Midwest, and Who’s Who in the World.

A St. Louis native, Mr. Teasdale was born to Kenneth and Ann Teasdale, and attended Amherst College to earn an AB in 1956. He joined the U.S. Army the next year, and went on to complete an LLB from Washington University in St. Louis in 1961. Mr. Teasdale entered practice with the U.S. Department of Justice, and notably assisted Majority Leader Mansfield of the U.S. Senate from 1963 to 1964. He was initially an associate of the firm of Armstrong, Teasdale, Kramer & Vaughn, which became Armstrong, Teasdale, Schlafly & Davis in 1986. Mr. Teasdale was a managing partner of the firm until 1993, when he was elected chairman.

In his civic duty, Mr. Teasdale has been a member of the national council of the School of Law at Washington University in St. Louis since 1988, and is a trustee of the St. Louis Science Center, the Saint Louis Art Museum, and Saint Louis University. He is affiliated with the American Bar Association, the Bar Association of Metropolitan St. Louis, the St. Louis Coalition for Plant and Life Sciences (now BioSTL), the Old Warson Country Club, and the finance committee of the Saint Louis Science Center. Mr. Teasdale is also the proud father of Caroline, Doug, and Cindy, as well as the husband of Elizabeth Driscol Langdon.

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