Mr. Mavrommatis is the Chief Financial Officer of Halo Collar. The Halo Collar is the newest smart safety system for dogs. Co-founded by Cesar Millan, this patented system utilizes proprietary technology & dog psychology to provide a wireless smart fence, smart training, GPS tracker and activity tracker combined into one easy-to-use smart collar. Prior to Halo Collar Mr. Mavrommatis served as the Chief Financial Officer of PowerFleet, Inc. (NASDAQ: PWFL) and I.D Systems, Inc. (NASDAQ: IDSY). Mr. Mavrommatis started his career in public accounting. He is a member of the Board of Directors of Duos Technologies, Inc. (NASDAQ: DUOT) and serves as Chairman of the Audit Committee and a member of the Compensation Committee.