Vice President – Human Resources

Diane Cooke is Vice President of Human Resources at Alliant Energy Corporation (NASDAQ: LNT). Diane joined the company in July 2019, bringing a rich history of people-focused leadership to her guidance of the Human Resources and Safety teams. As competition for talent intensifies, she is passionate about building a diverse, values-based culture where employee experiences and capabilities deliver results that set Alliant Energy apart.

Over her career, Diane has held leadership roles in human resources, sales, business improvement, strategic planning and project management. She began her career in 1991 as an accountant in financial services and proceeded to gain experiences in various functions and industries. This includes more than 15 years with a leading U.S. manufacturer and marketer of foods offered through retail-grocery, food service and home delivery channels.

Diane has a track record of advancing business strategies and priorities using her unique background to bring end-to-end design thinking and solutions focused on the customer. Leveraging her business acumen and ability to identify and develop talent, she served in seven unique roles for her prior employer, most recently leading HR for the Global Supply Chain division. In that role, she drove a cultural and operational transformation among more than 4,000 employees across many states, as well as overseeing due diligence for two capability-focused acquisitions.

Throughout her career, Diane has worked to advance diversity, equity and inclusion efforts and prepare young people for bright, meaningful careers. She served on the Business Advisory Board for St. Catherine’s University and was an active member, panelist and presenter at national and local Network of Executive Women events. She also served on the Minnesota Chamber of Commerce Board of Directors where she was a member of the Strategic Planning and Development Committees.

Diane earned a bachelor’s degree in Accounting from the University of Northern Iowa. She has completed various leadership courses, including Advanced Human Resource Executive Education from the University of Michigan Ross School of Business. 


2019 – Present Vice President – Human Resources, Alliant Energy

2018 – 2019 CHRO, Equus Holdings, Inc.

2011 – 2018 Vice President – Human Resources, Schwan’s Company

2009 – 2011 Vice President – Compensation, Strategic Planning & HRIS, Schwan’s Company

2008 – 2009 Senior Director – Business Improvement, Schwan’s Company

2004 – 2008 Sales Director – Sales Planning & Communication, Schwan’s Company

2003 – 2004 Manager – Pricing & Promotions, Schwan’s Company

2001 – 2002 Senior Account Executive, Screenscape Studios

1998 – 2001 Manager – Renaissance Worldwide, Inc.

1994 – 1997 Project Manager – Precision Computer Systems (Fiserv)

1991 – 1994 Financial Accountant, Marquette Bank of South Dakota

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