Director Since: 2005
Term expires in: 2024
• Compensation and Personnel
• Nominating and Governance
Summary: Mr. Oestreich has provided extensive and consistent leadership to the Board.
Mr. Oestreich served as a consultant to Pioneer Hi-Bred International, Inc., a developer
and supplier of advanced plant genetics and a wholly-owned subsidiary of DuPont
Corporation, located in Johnston, Iowa from 2010 to 2013. He is now retired. He
previously served as Chair of Pioneer Hi-Bred International, Inc. from 2007 until 2009. Mr.
Oestreich also served as Vice President of DuPont Corporation from 2004 through 2009.
He previously served as President of Pioneer Hi-Bred International, Inc. from 2004 to
2007. Mr. Oestreich was named to the 2017 National Association of Corporate Directors
(NACD) Directorship 100, which honors the most influential boardroom leaders each year.
Mr. Oestreich has served as a Director of IPL and WPL since 2005.
Skills and Qualifications: strategic leadership; financial acumen/literacy; operations;
customer perspective; legal and regulatory; human resources/executive compensation;
risk management; technology systems/cybersecurity; environmental and safety.