July 2, 2024. Integrated Specialty Coverages (ISC) is pleased to welcome Matthew Grimm as their new SVP of Underwriting, Commercial Trucking. Mr. Grimm brings over 25 years of experience in the property and casualty industry, having held key roles at Great West Casualty Company, National Interstate Insurance Company, Vanliner Insurance Company, and most recently serving as President of Greenwich Transportation Underwriters, Inc.