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Aaron Ratner

Managing Director, Sustainable Infrastructure & Real Assets, Ultra Capital


Aaron Ratner has over 20 years of international investment and advisory experience focusing on technology, energy, agriculture and waste. At Ultra Capital, a sustainable infrastructure investment fund, Mr Ratner is the Managing Director responsible for project origination, as well as a member of the Board of Directors and the Investment Committee. Prior to joining Ultra, Aaron was a Developer in Residence at Generate Capital. From 2012 to 2014, he was the President of i2 Capital, an impact investment merchant bank with a focus on landscape-scale conservation finance. In 2010, Aaron founded Emerging Energy International, a Hong Kong-based developer of mobile electrical power projects in frontier markets. 

Aaron began his career as a foreign market entry strategist at WKI, a global strategic consulting firm based in Virginia. In 2000 he moved to Hong Kong to work for Simon Murray & Company, a pan-Asian multi-strategy investment and advisory firm. Aaron attended the Stanford University Graduate School of Business and completed his undergraduate education at the University of Pennsylvania and Jochi University, Tokyo. 

Speaking at the following WCEF2019 sessions:

Tuesday 4 June at 14.00-15.30: Investing in circular economy businesses

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