Gregory H. Boyce

Gregory H. Boyce received a Bachelor of Science degree in Mining Engineering from the University of Arizona in Tucson, Arizona.[1][2][3] He attended the six-week Advanced Management Program at Harvard Business School.[1][2]

Boyce served as the executive assistant to the vice chairman of Standard Oil of Ohio from 1983 to 1984.[1][2] He then served as the president of Kennecott Minerals from 1993 to 1994.[1][2][4] He served as the chief executive officer and president of the energy division for the United States of Rio Tinto from 1994 to 1999.[1][2] He then served as the chief executive of the energy division of Rio Tinto globally from 2000 to 2003.[1][2]

Boyce served as the chief operating officer of Peabody Energy from 2003 to 2005 and as its president from 2003 to 2007.[1][2][5] He became chief executive officer in 2006 and executive chairman in 2007.[1][2][4][5] Boyce retired from the CEO and chairman roles at the end of 2015.[6][7] Peabody Energy filed for Chapter 11 bankruptcy on April 13, 2016.[8]

He became a director of Marathon Oil in 2008 and was appointed lead independent director in 2019.[9] Boyce is a former chairman of the National Mining Association.[2][3] He has served on the boards of directors of Marathon Oil since 2008 and Monsanto since 2013.[1][2][5] He is a member of the Business Roundtable and The Business Council.[2] He also served on the board of directors of the U.S.-China Business Council.[3] He is also the chairman of the Coal Industry Advisory Board of the International Energy Agency and a member of the National Coal Council.[2][3]