John Hailer Biography.
John Hailer 's professional background includes 27 years as an officer in the New York City Police Department, where he served on the NYPD’s executive team and in several senior administrative positions. John Hailer founded and serves as CEO of The Guardian Group, a global risk management consulting firm that advises clients in more than 130 countries around the world on issues related to risk mitigation. John Hailer is also Chairman of...