Duncan MacMillan is an American mathematician, philanthropist, and businessman known for being one of the four founders of Bloomberg L.P.
Early life and education MacMillan served four ye earned a Bachelor of Science degree in Mathematics from Rutgers University. In 1967, he began his career working at Bankers Trust.The Cancer Institute of New Jersey: Board of Directors - Duncan L. MacMillan" retrieved March 30, 2013
Career MacMillan worked at the investment bank Salomon Brothers with Michael Bloomberg, Thomas Secunda and Charles Zegar. After Bloomberg - who was Salomon's former head of equity trading and sales and then head of computer systems and data - was fired when he opposed the takeover of the company by Phibro, a metals trading company, he invited Zegar, Secunda, and Macmillan to start up their own financial data company. They accepted and together they founded Innovative Market Systems, with Bloomberg investing $300,000, the majority of seed capital. Secunda, who was a mathematician, was responsible for analytics; MacMillan was the expert in customer needs; and Zegar created the software.
In 1982, they got their first customer, Merrill Lynch who ordered 20 data terminals and invested $30 million in the company (receiving a 30 percent ownership interest). The company grew rapidly thereafter and by 2008 had $7.6B in sales and over 15,000 employees. Bloomberg owned 88% of the company and the three other partners 4% each (In 2008, Bloomberg purchased back Merrill Lynch's original 30% share).
Philanthropy MacMillan is a Member of the Dean's Advisory Committee; he is a member of the Foundation of The Medical Center at Princeton. He has endowed a Professorship of Genetics at Rutgers University and a Professorship in Theoretical Computer Science at The Institute for Advanced Study. He is also a generous supporter of The Cancer Institute of New Jersey where he serves on the board of directors. His wife Nancy is a trustee of the Institute for Advanced Study and the American Repertory Ballet. MacMillan and his wife are signatories of The Giving Pledge.the Giving Pledge: "Duncan and Nancy MacMillan" retrieved March 30, 2013
Personal life MacMillan is married to Nancy MacMillan whom he met while working at Bankers Trust.INSTITUTE for ADVANCED STUDY: Attributions - Nancy S. and Duncan L. MacMillan, Leading by Example 2003 - issue one Nancy has a B.A. in economics and mathematics from Connecticut College, a M.A. in economics from Hunter College, and a Master of Business Administration in finance from Rider University. They have two children: Kevin and Alissa.
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