1982 Giant Step program moved to community based program by Psychological Research of UVM
1983 Lamoille County Mental Health Ken Kelly Director
1984 The Department of Mental Health and Mental Retardation. Tom Plunket and Sedney Ulrich directed the program.
1988 Sterling Area Services was incorperated Deb Reed appointed Executive Director
1990-1995 Jackie Rogers hired as Senior Service Coordinator/Behavioral Expert
1996 Bill Ashe appointed Interim Director
1998 Kevin O’Riordan appointed Executive Director
1998 Sterling Area Services move to 19 Professional Drive
1998 Sterling Area Services join the ARIS Collaborative
2005 In September, Sterling Area Services provides support services to their first client with a Brain Injury
2006 In September Sterling Area Services provides support services to their first Choices for Care client.
2007 In January, Sterling Area Services was granted TBI Certification from the State of Vermont.
2013 Marilyn Carter appointed Interim Director
2014 Dave Yacovone appointed Executive Director
2015 In July, the agency name changed to GMSS
2015 In November, Joshua Smith appointed Executive Director