Doug Walker

Chief Technology Officer

Professional Experience

Doug started at Sentinel Group in 2008 in the Operations team and quickly moved into to the Technology group as a Business Analyst. From there he went on to lead the software team as the Director of Software Engineering for six years and then lead the infrastructure team as the Director of Infrastructure Services for two years. 

After a short time spent at Apple as a Senior Manager in a DevOps organization, he returned as the Chief Technology Officer leading all Technology efforts for the company. 

Educational Background and Certifications

  • Southern New Hampshire University – Manchester, NH – Bachelor of Science in Sport Management/Economics and Finance
  • Salem State University – Salem, MA – Master of Science in Mathematics


Newton, NH

Out of the Office

Outside of the office Doug enjoys traveling, skiing, hiking and camping!

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