Mr. Berk's practice focuses on commercial, insurance and reinsurance disputes. He has also assisted clients in connection with liabilities arising out of emerging technologies, including issues relating to internet security and electronic discovery. Mr. Berk has particular expertise with claims involving business interruption, construction defects, e-commerce issues, and professional liability issues, and he frequently writes and speaks on mainstream and emerging insurance coverage and general litigation issues. Mr. Berk is based in Virginia and New York but handles cases nationwide. He is admitted to practice in New York, Massachusetts, Virginia and the District of Columbia.