Jack Kolis is an accomplished professional specializing in enterprise sales and account management, currently serving as an Enterprise Account Executive at Sonar since April 2025. Prior to this role, Jack held several key positions at Burq from September 2021 to April 2025, including Director of Enterprise Sales and Strategic Partner Manager. At Burq, a company backed by prominent investors like Bill Gates and Jeff Bezos, Jack contributed to building a network of delivery systems. Jack also gained valuable experience at Fire&Spark as an Account Manager and Digital Marketing Intern, and previously worked with FreshZen and Leap Gaming in various capacities. A project manager and consultant at TAMID Group at Tufts University, Jack led consulting projects with Israeli startups while completing a Bachelor of Science degree in Economics and Entrepreneurial Studies from Tufts University. Additional experience includes coaching flag football at Belmont Day School and working at Nike Boston.
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