William Halliday's Location
New York, New York, United States
William Halliday's Skills
- Financial Services
- Marketing
William Halliday's Summary
William Halliday, based in New York, New York, United States, is currently a Director, Global Security at Marsh & McLennan Companies. With a robust skill set that includes Financial Services, Marketing and more, William Halliday contributes valuable insights to the industry. William Halliday has 2 emails and 2 mobile phone numbers on RocketReach.