Arief Sidarto has an MBA from Harvard University. He was a chief operating officer, and later an executive director, of Goldman Sachs. Mr Sidarto joined Goldman Sachs New York in 1991 in its structured finance division and was relocated to Hong Kong, and subsequently to Singapore, as investment banking chief operating officer and head of corporate finance. He was responsible for deal execution (M&As, LBOs, restructuring, capital raising), select client relationships and cross selling (commodities, asset-liability management products). Mr Sidarto managed high networth client assets at Goldman Sachs Private Wealth Management in 2007. He was the managing partner of Samuel Group (brokerage, investment banking, proprietary investments, asset management) in 2009. Mr Sidarto is a founder, managing partner, chief executive and chief investment officer at Wellspring Capital Partners in Singapore.