John Sefcik

John Sefcik is a results-oriented engineering director and senior staff project manager with extensive experience in telecommunications, project management, and program implementation. They have held leadership roles at prominent companies including Windstream, Comcast Business, and Nokia, where they currently manage complex projects and engineering teams. Previously, John was a Test and Certification Manager at XO Communications, where they led certification activities for voice and data platforms. With a proven track record in deploying and optimizing network solutions, John excels at collaborating across departments to achieve customer growth and cost-efficiency.