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Lisa Barton is President and Chief Operating Officer (COO) at Alliant Energy Corporation (NASDAQ: LNT). In addition, she is Chief Executive Officer (CEO) of the two utility subsidiaries, Interstate Power and Light and Wisconsin Power and Light. Lisa joined the company in 2023, following her role as Executive Vice President and COO of American Electric Power (AEP).

At Alliant Energy, Lisa oversees operations in Iowa and Wisconsin as well as customer experience, supply chain, corporate strategy, sustainability and regulatory strategy. Her deep industry knowledge, strong leadership abilities and proven operating expertise help advance the company’s efforts to deliver safe, reliable and affordable clean energy.

In her more than three decades in the energy industry, Lisa has focused on growth, execution, culture, building strong teams and talent development. She has advocated for responsible energy policy and actively participated in the industry, holding various leadership positions in organizations such as Wires, ReliabilityFirst, GridWise Alliance and the Electric Power Research Institute, where she served as Vice Chair and member of the executive board.

Lisa began her career at Northeast Utilities (now Eversource) and rejoined the company in 2002 after working with consulting firms where she developed power procurement and power market strategies. She also served as a lobbyist and senior counsel to clients across the gas and electric utility sector. She joined AEP in 2006 and held leadership roles in numerous areas, including transmission and utilities.

At work and home, Lisa is an advocate for strong communities. She has long supported the arts and recognizes the value the arts bring to the quality of life in a community. A former International Women's Foundation (IWF) Fellow and member of G100 Next Generation Leadership, Lisa is a member of IWF and C200.

Lisa earned a bachelor’s degree in Electrical Engineering from Worcester Polytechnic Institute and a Juris Doctorate degree from Suffolk University Law School.