For your convenience, we've divided our contact information into three areas:
Select from the list below to jump to each person:
For general inquiries please email: info@grminsurance.com. For claim inquiries please email: claims@grminsurance.com.
Graduated Skidmore College 1978 B.S. Fine Arts
Licensed Property & Casualty, Life, Accident & Health 1980
Certified Insurance Counselor (CIC) designation 1992
Licensed Certified Insurance Consultant (2004)
David joined the family business in 1979. Under the tutelage of his father, Lester Margolis, he learned all aspects of the Agency business - purchasing it in 1991. In addition to overseeing the daily operation of the Agency he continues to service Personal and Commercial accounts with a focus in the professional liability marketplace - primarily working with medical and legal professional liability accounts. He also places insurance for individuals and groups for life and health insurance. He is a volunteer for SCORE of New Haven at Gateway Community College lecturing monthly to new and prospective business owners on their business insurance needs. He also teaches Business Insurance at the Connecticut Center for Massage Therapy School in Westport CT. He has served on the Board of a number of non-profit organizations such as The March of Dimes, Probus Club of Hamden, Ezra Academy, The Jewish Federation of Greater New Haven and Camp Laurelwood.
Licensed Property & Casualty, Life, Accident and Health Agent 1987
Clifford joined the agency in 1987. He attended S.C.S.U. and graduated in 1977 with a Bachelors of Science degree and then went on to obtain his Master Degree also from S.C.S.U.
Graduated Sacred Heart Academy-Hamden, CT
Judy worked at J.C. Bradley Insurance Agency then moved to Boston-Old Colony Insurance Company where Lester Margolis was one of her agents. In April of 1972 she started working part-time for Lester and then in 1977 she began working full-time and has worked here ever since. She is an active member of the New Haven Insurance Women's Association.
Graduated University of Connecticut, Storrs 1986 B.A. English
Licensed Property & Casualty, Life, Accident & Health 1987
Maura began her insurance career in 1987 working for her father's agency, The Arnold J. DeMaio Insurance Agency of Hamden, CT in the role of personal lines sales producer. After partnering with GRM Insurance for many years on some commercial accounts The DeMaio Agency merged with Greenberg Rhein and Margolis. It was with that merge that Maura became the Personal Lines Manager. She supervises the Personal Lines Account Managers and works directly with each of the carrier marketing specialists implementing yearly business plans. Maura is also responsible for marketing each new business account.
Licensed Property and Casualty Agent 2003
Diane joined the agency November 2002 and became a licensed property and casualty agent February 2003. As an Account Manager, she provides personal lines support in obtaining, maintaining expanding and servicing her assigned accounts. Prior to working for G, R & M, she worked as a Claims Adjuster for Cigna Health Plans. She is also a member of the New Haven Association of Insurance Women.
Licensed Property & Casualty Agent 2005
Diane began her career in insurance in 1986 as a licensed property and casualty claims adjuster. She was employed as an Independent Claims Adjuster specializing in Worker's Compensation until September 2004 when she joined GR&M as an Account Manager.
Graduated Emmanuel College, 1992 B.S. Psychology
Licensed in Property & Casualty 1994
Certified Insurance Service Representative (CISR) designation 1996
Christine started at the agency as summer help in 1989, returning every college break until she graduated in 1992. She then joined the agency full time, obtaining her property and casualty license and CISR designation in 1994 and 1996 respectively. Christine spent 12 years as an account manager in personal lines before moving into commercial lines in 2004. She works directly with David Margolis in placing and servicing commercial accounts.
Licensed Property & Casualty Agent 1981
Certified Insurance Service Representative (CISR) designation 1985
Certified Professional Insurance Woman (CPIW) Designation 2009
Sheila joined G, R & M in 1979. She's worked with both Lester and David Margolis, former and present owners of the agency. Starting off as the receptionist, she assisted in the personal lines department with the filing and claim reports. She became a licensed customer service account representative in 1981. Her responsibilities include providing, maintaining, expanding and servicing commercial lines accounts. She is an active member of New Haven Insurance Women's Association.
Licensed Property Casualty Agent 2003
Certified Insurance Service Representative (CISR) Designation 2009
Certified Professional Insurance Woman (CPIW) Designation 2009
Christine has been a personal lines account manager since 2003 and has moved over to become a commercial lines account manager in 2009. She is an active member of New Haven Insurance Women's Association (NHAIW) since 2006. Since 2008 she has held the committee chairperson position for the NHAIW's Ways & Means, Community Service & Safety committee.
Attended Norwalk Community College
Attended American Institute of Banking in 1982
Pia joined Greenberg Rhein & Margolis in August of 2004. While taking charge of the busy switchboard she is also an administrative assistant to both Personal and Commercial Lines.

