CONTACT
Main Office - Middlesex Human Service
Agency, Inc.
The main office is located at 50 Prospect Street in Waltham and is comprised of the
following people:
G. Peter Donovan, CEO
Email: gpeter@mhsainc.org
Doris Medeiros, CFO
Email: dorism@mhsainc.org
Laurie Lindström, COO
Email: lauriel@mhsainc.org
Gary Zimmerman, Director of Operations
Email: gzimmerman@mhsainc.org
Patrick J McDonough, Director of Quality Assurance
Email: pmcdonough@mhsainc.org
Regina Cacciatore, Business Manager
Email: caccie@mhsainc.org
Gisele Sears, Clinical Director
Email: gsears@mhsainc.org
Leigh Driscoll, Special Assistant, Accounts Payable
Email: leighd@mhsainc.org
Andrea George
Email: ageorge@mhsainc.org
Holly Ryan, Purchasing &
Foodservice Director
Email: hollyr@mhsainc.org
Phone: 781-899-2099
Fax: 781-899-8305
With the exception of Holly Ryan, you can reach all of us
by phone at 781-894-6110 or fax at 781-647-0412.
