ALLIANT ENERGY CORPORATION - Key Persons


Aimee Davis

Job Titles:
  • Vice President Marketing, Communications
  • Vice President of Marketing, Communications and Community Affairs
Aimee Davis is Vice President of Marketing, Communications and Community Affairs at Alliant Energy Corporation (NASDAQ: LNT). She joined the company in 2018, with more than 25 years of experience in developing, leading and executing integrated marketing, communications and brand programs for global matrixed and nonprofit organizations. In her role, Aimee leads a team of talented individuals whose mission is to share stories showcasing how Alliant Energy delivers on its Purpose - serving customers and building strong communities across Iowa and Wisconsin. Aimee's leadership extends across the Market Research, Corporate Communications, Marketing and Creative Services functions of the company. Throughout her career, Aimee has successfully guided communications teams to think beyond tactical execution. As a proven leader, well-versed in communications strategies, Aimee effectively guides team transformation to perform broader, proactive and strategic communications across B2B and B2C channels. Under her leadership and vision, Aimee has continuously facilitated greater brand awareness and company growth, along with significant customer engagement. Prior to joining Alliant Energy, Aimee served as the Global Director of Marketing Communications and Downstream Engagement for a global material innovation company. In this role, she was the brand steward and led large-scale brand integration projects following billion-dollar global acquisitions. She also worked with well-known global retail brands to integrate material innovation positioning into their new product introductions. Aimee also has more than a decade of nonprofit leadership experience, successfully guiding organizations in strategic planning, overseeing execution of all communications activities, and partnering with volunteers and organizations in developing and executing regional fundraising campaigns. Outside of work, Aimee dedicates her time advocating on behalf of children and young women. She currently serves on the Junior Achievement and YWCA Boards of Directors in Madison, Wisconsin. Aimee holds a bachelor's degree in Communication Arts from Fontbonne University, St. Louis, Missouri, and an Executive Leadership Certificate from Washington University, also in St. Louis. She is also a certified Master Executive Coach, from Bluepoint Leadership Development. Experience 2018 - Present Vice President - Marketing, Communications and Community Affairs 2012 - 2018 Director, Global Marketing Communications and Downstream Engagement, Eastman Chemical 2009 - 2012 Architectural Market Manager, Americas, Solutia Inc. 2006 - 2012 Global Marketing Communications Manager, Solutia Inc. 2002 - 2006 Public Relations and Marketing Director, Easter Seals Midwest 1998 - 2002 Public Relations and Marketing Administrator, Easter Seals Midwest 1996 - 1998 Audience Development Director, The Muny 1st Stage Back to Our Leadership

Alberto Ruocco - CIO, SVP

Job Titles:
  • Chief Information Officer
  • Senior Vice President
Alberto Ruocco is Senior Vice President and Chief Information Officer at Alliant Energy Corporation (NASDAQ: LNT). He joined the company in September 2023, bringing many years of experience in information technology and the utility sector. Alberto's leadership extends across the IT department, as we deliver technological solutions that not only facilitate essential aspects of our strategy but also enhance our physical and cyber security and the experiences of our customers and employees. In his role, he leads teams that are leveraging new technologies that continue to play a greater role in how we deliver on our purpose to serve customers and build strong communities. Prior to joining Alliant Energy, Alberto served as Principal of AGR3 Digital, where he advised boards of directors, executive teams and individuals on digital technology solutions and management. He was also partner and CIO at West Monroe Partners, a digital technology consulting firm. Alberto also served as Senior Executive Partner at Gartner, where he advised several CIOs in the utility, auto and food manufacturing industries. Alberto worked directly in the utility industry as CIO of American Electric Power (AEP). He spent six years guiding their technology group, developing a technology roadmap, building a cybersecurity organization and introducing analytics capabilities. Alberto has a passion for the utility industry and its role driving economic development with a commitment to sustainability. Alberto earned a bachelor's degree in Architecture from Yale University and an MBA from Northwestern University. Experience 2023 - Present Senior Vice President and Chief Information Officer 2022 - 2023 Principal, AGR3 Digital, Independent Consultant 2019 - 2022 Partner, Chief Information Officer, West Monroe Partners 2017 - 2019 Senior Executive Partner, Gartner 2011 - 2017 Vice President and Chief Information Officer, American Electric Power Company 2007 - 2011 Executive Vice President and Practice Area Leader, Manufacturing, Distribution & Trade, The Revere Group 2006 - 2007 Vice President, Process and Information Technology, Kerry Americas 2004 - 2006 Senior Manager, Deloitte

Angela Arrington

Job Titles:
  • Compliance

Ashwini Rao

Job Titles:
  • Senior Business Attraction Manager

Barbara Tormaschy - SVP

Job Titles:
  • Senior Vice President
  • Senior Vice President of Sustainability and Regulatory Strategy
Barbara Tormaschy is Senior Vice President of Sustainability and Regulatory Strategy at Alliant Energy Corporation (NASDAQ: LNT). In 2022, she was promoted to Senior Vice President with oversight of the company's Environmental, Social and Governance (ESG) programs, sustainability, regulatory strategy and solutions teams, and resource development. Barbara joined the company in 2016 as Vice President of Finance, and has overseen the financial analysis, planning, investor relations and regulatory finance functions. In February 2019, she was named Treasurer, assuming responsibilities for financing activities. In her current role, Barbara leads the teams driving the transition to cleaner sources of energy generation and planning for future resources necessary to meet the needs of our customers. She is also responsible for developing priorities and communicating progress to our many stakeholders regarding the company's ESG performance. Prior to Alliant Energy, Barbara served as Vice President, Finance for a leading technology company. Barbara is active in her community working to bring an end to family homelessness. She is the current President of the Board and Finance Committee Member for The Road Home Dane County, which works to ensure every child has a home. Barbara has a bachelor's degree in Quantitative Business Analysis from Pennsylvania State University. She earned an MBA from the University of Houston. Experience 2022 - Present Senior Vice President - Sustainability and Regulatory Strategy 2019 - 2022 Vice President and Treasurer 2016 - 2019 Vice President - Finance 2013 - 2016 Vice President - Finance and Chief Financial Officer, Global Components, Arrow Electronics Inc. 2011 - 2013 Vice President - Finance, Corporate Financial Planning and Analysis, Arrow Electronics Inc. 2009 - 2011 Vice President - Finance, North American Public Business, Dell Inc. 2001 - 2009 Executive Director - Finance, Dell Inc. Back to Our Leadership

Coleman Peiffer

Job Titles:
  • Senior Business Attraction Manager

David de Leon

Job Titles:
  • President - Alliant Energy 's Wisconsin Energy Company and Senior Vice President - Operations

Diane Cooke

Job Titles:
  • Vice President Human Resources

Jim Bowman

Job Titles:
  • Senior Business Attraction Manager / Iowa

JP Brummond - VP

Job Titles:
  • Vice President

Kelli Dickinson

Job Titles:
  • Administrator, Shareowner Services

Lisa M. Barton

Job Titles:
  • President and COO / CEO - Interstate Power and Light / CEO - Wisconsin Power and Light

Mayuri Farlinger - VP

Job Titles:
  • Vice President

Nick Cizauskas


Raja Sundararajan

Job Titles:
  • Executive Vice President / Strategy and Customer Solutions

Robert J. Durian - CFO, EVP

Job Titles:
  • Chief Financial Officer
  • Executive Vice President

Stephanie L. Cox

Job Titles:
  • Member of the Board of Directors
  • Member of the Compensation and Personnel Committee
  • Member of the Operations Committee
  • Director since 2023

Susan Gille

Job Titles:
  • Investor Relations Manager

Terry L. Kouba

Job Titles:
  • President - Alliant Energy 's Iowa Energy Company and Senior Vice President - Operations

Thomas F. O'Toole

Job Titles:
  • Member of the Board of Directors
  • Member of the Nominating and Governance Committee
  • Member of the Operations Committee
  • Director since 2015