President Southern New England Forest Consortium, Inc., since 1990. Member forest productivity working group Northeast governments' and Eastern Canada Premiers, 1986-1991. Board directors Rhode Island Tree Council, Inc., since 1993, Rhode Island Resource Conservation and Development Area, Inc., since 1996.
Coach Coventry Basketball Association, 1994-2000, secretary, 1997-1998. Member of Rhode Island Landscape Architects Board Examiners, Rhode Island Fire Chiefs Association, Northeast Area Association State Foresters (secretary-treasurer 1990, vice president 1991, president 1992, chairman Rhode Island rural lands coalition since 1997), New England Society of America Foresters (executive committee 1982-1990), National Association State Foresters (vice president foundation 1988—2000, executive committee 1992-1993, chairman forest health committee 1992-1996, board directors foundation since 1995, chairman statistics committee 1998—2000, president foundation 2000-2001, chairman working lands conservation committee since 2000, president found since 2003), American Forestry Association (member Yankee division), Society of America Foresters (secretary-treasurer 1986, vice chairman 1987).