D.J. Monagle, III is Vice President and Managing Director, Performance Minerals of Specialty Minerals Inc.

D.J. Monagle joined the company in 2003 as director, Global Marketing, Paper PCC. He was named vice president, North America, PCC in 2004 and to vice president, the Americas, PCC in 2006. Before joining MTI, D.J. worked for Hercules Inc. between 1990 and 2003, where he held various sales and marketing positions of increasing responsibility.

D.J. holds a B.S. degree in Chemistry from Mount St. Mary's College in Emmitsburg, Maryland.