San Francisco billionaire, investor, philanthropist and environmentalist Tom Steyer has emerged as a political force in California in recent years, backing two successful environmental ballot measures. Now the former hedge fund manager is taking a greater role on the national stage, particularly in the fight against climate change. He was even in the running to become President Obama’s next energy secretary.
Tom Steyer: Billionaire Investor Turned Climate Activist

(Alex Wong/Getty Images)
Guests:
Thomas Steyer, co-founder Next Generation, a research and communications organization focused on climate change and families; founder and former co-managing partner of Farallon Capital Management
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