Marc S. Mayerson is the Principal of The Mayerson Firm PLLC in Washington, D.C., where he represents policyholders — businesses, nonprofits, directors, executives, and fiduciaries — in complex insurance coverage disputes. His practice reaches excess coverage and exhaustion, multi-layer insurance towers, directors and officers liability, and insurer bad faith, as well as asbestos, environmental cleanup, toxic tort, product liability, securities, ERISA fiduciary, employment practices, fidelity and dishonesty, first-party property, and business interruption claims. He also serves as an arbitrator, mediator, and expert in insurance matters.