Dennis Cook

President, Healthcare
Liberty Mutual

Dennis is responsible for driving the continued profitability and growth of an organization that provides specialty healthcare liability solutions that meet the complex risk management needs of hospitals, healthcare providers, managed care organizations, life science companies, senior care facilities and self-insured employer health plans.

Prior to this, Dennis was Chief Liability Officer for IronHealth, overseeing six product lines, six product line managers and underwriting teams for Ironshore. He was responsible for profitability, top line, product innovation, marketing, pricing, underwriting strategy and distribution relationships. Prior to joining IronHealth, Dennis spent over 10 years with AIG in various roles including Long Term Care Product Line Manager, Assistant Product Line Manager for Hospitals and Long-Term Care, and Mid Atlantic Regional Manager – Healthcare.

Dennis joined Ironshore in April 2016 as Product Manager for Senior Care. He brings with him more than 16 years in the healthcare industry and a wealth of experience developing, empowering, and inspiring teams to drive success.

Dennis has the CPCU and ASLI designations, an MBA from Babson College’s Olin School of Business and a bachelor’s degree from St. Michael’s College in Vermont.