About Us

John L. O'ConnorChief Administrative OfficerEndurance Services Limitedjloconnor@enduranceservices.com

John L. O'Connor was appointed Endurance's Chief Administrative Officer in September 2011, having served as President and Chief Operating Officer of Endurance Services Limited since joining the company in October 2004. Mr. O'Connor came to Endurance with nearly 20 years of consulting and public accounting experience, where he was responsible for advising insurance and reinsurance companies on underwriting, claims, policy management and other areas. A graduate of Fairfield University (BS, Accounting), Mr. O'Connor is a Certified Public Accountant and a Fellow of the Life Management Institute.

  • David Cash
    Chief Executive Officer & President
    Endurance Specialty Holdings Ltd.
  • John V. Del Col
    General Counsel, Secretary & Executive Vice President, Acquisitions
    Endurance Specialty Holdings Ltd.
  • Joan deLemps
    Chief Underwriting Officer
    Endurance Services Limited
  • Catherine A. Kalaydjian
    Chief Claims Officer
    Endurance Specialty Holdings Ltd.
  • Michael J. McGuire
    Chief Financial Officer
    Endurance Specialty Holdings Ltd.
  • John L. O'Connor
    Chief Administrative Officer
    Endurance Services Limited
  • Mark Silverstein
    Chief Investment Officer
    Endurance Services Limited