Koh was previously head of investment funds and chief investment strategist at OPIC, the development finance institution of the United States.
During his previous role Koh led the agency’s $2.6bn emerging markets private equity portfolio, an area Siguler has targeted since 2005 through a trio of BRIC vehicles.
The US firm is currently aiming to raise $1bn for Siguler Guff BRIC Opportunities III.
Koh also oversaw 33 funds at OPIC and was involved in managing a $15bn portfolio of political risk insurance, direct finance and private equity investments.
Siguler managing director and founding partner George Siguler said, “Jay brings 19 years of experience at top-tier institutions in the public and private sectors to Siguler Guff.
“We are extremely pleased that Jay has joined the firm and we are confident that his accomplishments across a wide variety of investment products and strategies will be an asset to the firm.”
Koh previously led private equity and illiquid investing for EMEA at R3 Capital between 2007 and 2009, and rose to principal at Carlyle in two stints between 1993 and 1995, and 2000 to 2007.
Siguler is also currently raising a $600m small buyout opportunities fund, and is currently investing in distressed opportunities through a $1.3bn fund raised in 2011.
That fund was well down on the $2.4bn the firm collected for Siguler Guff Distressed Opportunities Fund III in 2007.
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