Mr. Erdmann has an extensive background in the insurance industry. After graduating from C. W. Post College in 1979 with a B.A. in American History, he began his insurance career with Met Life in February, 1980. In his 17 years with MetLife, he worked in various units (underwriting, contracts, and large group administration) working on such group accounts such as International Paper, American Red Cross, and Salomon Brothers.

In 1997, shortly after MetLife's merger with United HealthCare, he left and began his brokerage career with a large brokerage firm in New York City, leaving in 1999 to join a General Agency on Long Island. In September 2002, he joined The Granite Insurance Brokerage, LLC. Ron has been a vital member of The Granite in the areas of recruiting and servicing.

He is married with three children and currently lives in Medford, New York.