$LNT

Erik Madsen

Alliant Energy

President & CEO • Since 2025 • Utilities

📊 CEO Reputation Score

FY2025 vs FY2024 · Source: SEC EDGAR filings

66/100

Based on profit (net income) improvement only — this company does not report the operating cash flow and capital-spending figures needed for a free-cash-flow number (common for banks and insurers).

Profit (net income): $690M → $810M (+17.4% YoY) — fiscal 2025 vs fiscal 2024

How this score works · S&P 500 reputation leaderboard

Overview

Erik Madsen is the president & ceo of Alliant Energy since 2025. Alliant Energy is a Utilities company headquartered in Madison, Wisconsin, founded in 1917, and one of the 500 companies in the S&P 500 — every one of which is profiled on this site.

Leadership

Erik holds the chief executive role at Alliant Energy with the title President & CEO — in post since 2025. This page is the concise leadership record for Alliant Energy in the S&P 500 CEO index; the site's fully researched long-form profiles (career timelines, education, achievements, setbacks, philosophy and sourced quotes) currently cover the index's ten largest companies, and this entry will be expanded in the same format.

At a Glance

Sector: Utilities
Ticker: $LNT
Headquarters: Madison, Wisconsin
Founded: 1917
CEO since: 2025
Index: S&P 500 (#18 of 500)