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.

Data sourced from SEC filings. Last updated: 2025-04-24