FTI Consulting, the business advisory firm, on Monday named Steve Gunby, president and chief executive, succeeding Jack Dunn, who is stepping down after 21 years at the firm.
Mr. Gunby, 56, will join FTI from the Boston Consulting Group, where he  has been a senior partner and managing director since 1993. He leads the global transformation and large-scale change practice and previously led the firmâs operations in the Americas. Â
He began with Boston Consulting in 1983 in the Boston office and founded the firmâs  Washington office in 1995.  Mr. Gunby is a graduate of the Yale Law School, the Yale School of Management and Cornell University.
He will start at FTI on Jan. 20.
The firm also announced on Monday that it would have an independent chairman of the board.
When Dennis Shaughnessy retires as executive chairman this month, Gerard E. Holthaus, currently the presiding director of the board, will become non-executive chairman.
Mr. Holthaus was chief executive of Algeco Scotsman, a prefabricated modular space and secure storage solutions company, from 1997 to 2010.