teaches Media, Mergers, and Acquisitions and is the author of a book titled "The Accidental Investment Banker". Frederic Mishkin, member of the Board of Governors of the Federal Reserve System, returned to teach at CBS starting fall 2008. Rita Gunther McGrath is a well known member of the strategy faculty and the author of four books on the subject, most recently The End of Competitive Advantage: How to Keep Your Strategy Moving as Fast As Your Business (2013, Harvard Business Review Publishing) Steve Blank created the Lean Launchpad class that he teaches a scientific method for teaching entrepreneurship that combines experiential learning with the three building blocks of a successful Lean Startup. Alumni Columbia Business School has over 44,000 living alumni. Some of the more notable alumni include the following: Akinlabi Olasunkanmi, MBA, Nigerian Senator and Federal Minister of Youth Development Alan Patricof, MBA 1957, Founder of Apax Partners Alexander Haig, MBA 1955, United States Secretary of State Alfred P. Thorne, PhD 1959, British Guiana-born development economist Anna Rawson, MBA 2015, Australian professional golfer and model Antony Ressler, MBA 1985, co-founder of the private equity firm Apollo Global Management and Ares Management António Pedro dos Santos Simões, MBA, CEO of HSBC UK Arthur Burns, PhD 1934, Chairman of the Federal Reserve Arthur J. Samberg, MBA 1967, Chairman and CEO of Pequot Capital Artie Minson, MBA 1997, former CEO of WeWork Azita Raji, MBA 1991, former United States ambassador to Sweden Benjamin M. Rosen, MBA 1961, Former chairman and CEO of Compaq Benjamin Wey, MSLD 2013, Chinese-born American Wall Street financier and CEO of New York Global Group Beth Ford, MBA 1995, CEO of Land O'Lakes Beverly Leon, MBA 2020, former midfielder for Sunderland A.F.C. Ladies Bill Keenan, MBA 2016, former professional hockey player and author Blair Effron, MBA 1986, Founder of Centerview Partners Robert Kasten Jr., MBA 1966, U.S. Senator from Wisconsin 1981 to 1993. Charles E. Exley Jr., MBA 1954, Former chairman and CEO of NCR Corporation Charles R. Perrin, MBA 1969, Chairman of Warnaco; Former CEO of Duracell, Former CEO of Avon Products Cherie Nursalim, MBA 1990, Indonesian businesswoman, Vice Chairman of Giti Group Christopher O'Neill, MBA 2005, British-American businessman and husband of Princess Madeleine of Sweden Claude Arpels, MBA 1998, director of Van Cleef & Arpels Cyrus Massoumi, MBA 2003, founder of Zocdoc César Alierta, MBA 1970, CEO of Telefónica Daniele Bodini, MBA 1972, Italian real estate