Millstein & Co. provides financial and strategic advice in special situations, restructurings and recapitalization transactions and invests in such transactions with its own capital or together with third party investors, where requested or appropriate.

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Served on the Board of Trustees of GCC, the highest governing body of the organization, and was responsible for major strategic decisions and officer appointments. Founded Harvard College chapter of GCC. As an early founder of GCC, led the growth of the student organization from three university chapters to what is now the leading US-China non-profit student organization with chapters at over 60 premier universities around the globe.

Ramp is building the next generation of finance tools – from corporate cards and expense management, to bill payments and accounting integrations – designed to save businesses time and money with every click. Over 15,000 companies are spending an average of 3.5% less and closing their books 8x faster by switching to Ramp's finance automation platform. Founded in 2019, Ramp powers the fastest-growing corporate card and bill payment software in America. Recently named Fast Company’s 2023 Most Innovative Company in North America, investors include Founders Fund, Coatue Management, D1 Capital Partners, Thrive Capital, Redpoint Ventures, Iconiq Growth, Altimeter, Stripe, Goldman Sachs, Citi, Lux Capital, Vista Public Strategies, Spark Capital, Definition Capital, General Catalyst, 137 Ventures, Neo, Soma Capital, and Declaration Partners, and more.