第一勧業銀行
He received an AB in 1982 from the Woodrow Wilson School of Public and International Affairs, at Princeton University, and, in 1986, a PhD in economics from MIT. He then joined Harvard Business School in 1986 as Assistant professor of Business Management, moving to the Sloan School of Management at MIT as Assistant Professor of Finance in 1987. He was promoted there to Associate Professor in 1990, and to Dai-Ichi Kangyo Bank Professor of Management and Professor of Finance, in 1994. According to his faculty page at Harvard, he is interested in "Banking, financial distress, risk management, corporate investment, private equity."