John O. Larsen, Chairman, President & CEO, Alliant Energy Corporation, Chairman, President & CEO, Alliant Energy Corporation

John O. Larsen

Chairman, President & CEO

Alliant Energy Corporation

John Larsen is CEO and Chairman of the Board of Alliant Energy Corporation (NASDAQ: LNT), a Madison, Wisconsin-based energy company that provides nearly 1.5 million customers in Iowa and Wisconsin with safe, reliable, affordable electricity and natural gas service. 

John joined the company in 1988 as an electrical engineer. Over his career at Alliant Energy, he has held leadership roles in engineering, energy delivery and generation operations of the company. In 2004, he was promoted to Vice President of Technical and Integrated Services. In 2010, John was named Senior Vice President – Generation. At that time, he also became President of Wisconsin Power and Light Company. In 2015, John stepped into a new expansive role: leading the company’s efforts related to technology, development, generation construction, economic development, customer service, and account management.

In recognition of his leadership and accomplishments, in 2017 John was named President of Alliant Energy Corporation. As President, John had critical responsibilities – including leading the Technology and Strategic Planning functions – to help the company respond more rapidly to opportunities and deliver greater value to customers. In 2018, he was named President and Chief Operating Officer of Alliant Energy. In this role, John led the development of the company’s strategy to more clearly understand customer unmet needs, leading to the development of new products, services and markets to deliver long term value for the communities the corporation serves. Most recently, he was named CEO and Chairman of Alliant Energy Corporation effective July 1, 2019. 

John’s leadership across these roles influenced the development of the company’s vision of advancing to a clean energy future that promotes environmental stewardship. Since 2005, the company has reduced carbon dioxide emissions by 25 percent and plans to reduce emissions by 40 percent by 2030 and 80 percent by 2050, while ensuring customers have access to a more resilient energy grid and diverse, sustainable energy mix.

John received a bachelor’s degree in Electrical Engineering from the University of North Dakota and has completed various leadership courses including Finance for Executives from the Kellogg School of Management.

A strong advocate of youth programs and fostering community vitality through diversity and economic development, John serves as a Board Member of the Greater Madison Chamber of Commerce and Junior Achievement of Wisconsin. He also serves on the Board of Directors for The American Transmission Company, as well as the Edison Electric Institute.