DAVID S. WICHMANN

Corporate Board Profile

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TENNANT CO

Filing Date Source Excerpt
2010-03-19 Executive Vice President, UnitedHealth Group, a diversified health and well-being company, and President, UnitedHealth Group Operations, since April 2008.
2011-03-15 President, Operations and Technology, and Chief Financial Officer for UnitedHealth Group Incorporated, a diversified health and well-being company, since January 2011.
2012-03-15 President, Operations and Technology, and Chief Financial Officer for UnitedHealth Group Incorporated, a diversified health and well-being company, since January 2011.
2013-03-11 President, Operations and Technology, and Chief Financial Officer for UnitedHealth Group Incorporated.
2014-03-10 President, Operations and Technology, and Chief Financial Officer for UnitedHealth Group Incorporated.
2015-03-16 President and Chief Financial Officer for UnitedHealth Group Incorporated, a diversified health and well-being company, since November 2014.
2015-03-16 President and Chief Financial Officer for UnitedHealth Group Incorporated, a diversified health and well-being company, since November 2014.
2016-03-15 President and Chief Financial Officer for UnitedHealth Group Incorporated, a diversified health and well-being company, since November 2014.
2017-03-15 President for UnitedHealth Group Incorporated, a diversified health and well-being company, since November 2014.
2018-03-14 Chief Executive Officer for UnitedHealth Group Incorporated, a diversified health and well-being company, since September 2017.
2019-03-29 Mr. Wichmann was selected by the Board for his global financial operations, merger and acquisitions and business integration expertise.
2020-03-19 Mr. Wichmann was selected by the Board for his global financial operations, merger and acquisitions and business integration expertise.

UNITEDHEALTH GROUP INC

Filing Date Source Excerpt
2020-04-17 Mr. Wichmann is Chief Executive Officer of UnitedHealth Group and a member of the Board of Directors, and has served in this capacity since September 2017. Mr. Wichmann previously served as President of UnitedHealth Group from November 2014 to August 2017.

Data sourced from SEC filings. Last updated: 2025-07-01