Mayo A. Shattuck III was born in 1954, the son of Jane and Mayo A. "Jim" Shattuck, Nobles Class of 1944. He was raised in Hingham, Massachusetts, and came to Nobles in the 9^th grade. At Nobles, Mayo was a boarder who captained the tennis team, played varsity football and won the Trustees' Prize for Scholarship.

After Nobles, Mayo received his B.A. from Williams College where he also captained the tennis team and served as President of the Student Government. He then joined Morgan Guaranty Trust Company in New York before heading to Stanford University, where he earned an MBA and graduated as an Arjay Miller Scholar in 1980. He worked for Bain & Company in San Francisco before joining Alex. Brown & Sons where he became a prominent technology investment banker, managing the IPOs of companies such as Sun Microsystems, Oracle and Microsoft. In 1991, he was named President and Chief Operating Officer and a Director of Alex. Brown, Inc. In 1997, he helped engineer the merger between Alex. Brown and Bankers Trust Corporation and then served as Vice Chairman of Bankers Trust from 1997-1999. When Bankers Trust merged with Deutsche Bank in 1999, he then served as Global Head of Investment Banking and Global Head of Private Banking at Deutsche Bank, then the largest bank in the world. He received an honorary Doctor of Public Service degree from the University of Maryland Baltimore County in 2000 for his significant philanthropic work in Maryland.

Mayo was appointed President and Chief Executive Officer of Constellation Energy Group on November 1, 2001, and was elected Chairman of the Board in July 2002. Constellation Energy is a Fortune 200 company which owns energy-related businesses, including a North American wholesale power marketing and merchant generation business and the Baltimore Gas and Electric Company, an energy-delivery utility serving central Maryland. Analysts and industry observers say that Mayo's  "strategy  to  buy  energy  assets  and  sell   power  competitively ... transformed Constellation .. .into the country's largest provider of commercial and industrial power." (Washington Post, 01/09/2006)

In the 6 ½ years of running the company, Constellation's share price has improved by over 4 times and has been named to the prestigious Business Week 50 list of America's top performers in each of the past two years.

Among his many business and civic affiliations, Mayo currently serves as a Director of Gap, Inc. and Capital One Financial Corporation. Mayo is a member of the Board of Edison Electric Institute ("EEi"), the Nuclear Energy Institute ("NEI") Board of Directors and is Vice Chairman of the Board of the Institute of Nuclear Power Operations ("INPO"). He is a member of the Board of Trustees of Johns Hopkins School of Medicine and is Chairman of the Board of Visitors of the University of Maryland Baltimore County. He is a National Trustee of The First Tee, an organization that "provides young people of all backgrounds an opportunity to develop life-enhancing values such as confidence, perseverance and judgment through golf and character education."

Mayo served on the Nobles Board of Trustees from 1999-2005. He has enduring friendships from his days as a boarder in the Castle, and he has always kept Nobles close, despite the distance between Dedham and his home in Baltimore.

Mayo has earned respect and admiration for his focused and purposeful approach to his career. As a leader, he is recognized for his unflappable demeanor, keen intellect and business acumen. He balances a strong work ethic with a gregarious, social nature. He is, to the very core, a people person. An avid golfer, sports fan and tennis player, he enjoys spending time in the summers at his family's home on Chebeague Island, Maine. Mayo is married to Molly George Shattuck and has five children: Mayo IV, Katie, Spencer, Wyatt and Lillian.

For his remarkable accomplishments as a chief executive, his vast involvement in civic and philanthropic work and his unwavering loyalty to Noble and Greenough School, the Graduates' Association is honored to name Mayo A. Shattuck III '72 as the 2008 Distinguished Graduate.