The future of energy is shaped by markets, policy, and capital flows — not just technology. Hosted by Crux CEO Alfred Johnson, Critical Capital explores the interlocking forces powering clean and critical infrastructure. The show features in-depth conversations at the intersection of energy, government, and global markets.


Alfred I. Johnson is co-founder and CEO of Crux, the capital platform for the clean economy. Before founding Crux, Alfred served as Deputy Chief of Staff to Secretary Janet Yellen at the US Department of the Treasury. Earlier in his career, Alfred was Vice President in Financial Markets Advisory at BlackRock, Senior Advisor for Financial Markets at the US Treasury, and Special Assistant to the White House Chief of Staff.