Tree and mountains

Board Treasurer, Peter Pierri

DDI Board Member Peter Pierri
Peter Pierri has over 40 years of executive and management experience in the field of developmental disabilities. Most recently, for seven years, he was the Executive Director of the InterAgency Council of Developmental Disabilities Agencies, Inc. (IAC) -- a not-for-profit membership association that represents and advocates on behalf of 150 agencies that serve children and adults with intellectual and developmental disabilities in New York City, Nassau, Suffolk, Westchester and Rockland counties.

Prior to being employed at IAC, for 8 years, Peter was the Executive Director of Developmental Disabilities Institute (DDI) in Smithtown. Peter was also at the Ulster-Greene ARC in Kingston, NY for 25 years, (18 of which he was the Executive Director). During that time, he led the agency through the creation of its residential program and an extensive expansion of other services.

Peter holds a BA degree from Marist College and a Master of Social Work (MSW) degree from Adelphi University. 
Peter has been a volunteer for the American Red Cross and God’s Love We Deliver in New York City. He has since moved to Arizona in 2021 with his husband, Jack, and has been volunteering at the Pima Animal Care Center in Tucson.