John Micah Heinemann is a 2025–2026 Millennium fellow and a senior counsel in the US Senate. Since 2019, he has led high-profile congressional investigations in both chambers of the US Congress, including reports on the 2021 GameStop trading frenzy and compromised corporate governance prior to the 2023 Silicon Valley Bank collapse. In 2024, he was selected for a congressional delegation to investigate the attempted assassination of US President Donald Trump. Heinemann’s work has been covered by the New York Times, the Wall Street Journal, and USA Today, and has also been a top trending topic on X and Reddit. He earned his law degree from the University of Texas at Austin. Originally from the Mountain West, Heinemann enjoys writing, gardening, and spending time in nature.