Sean Jellison

About Sean

As a senior director for Marcum Technology, Sean Jellison’s primary focus is assisting clients in solving their biggest technology challenges. As a seasoned IT consultant, he has worked with organizations to understand their current technology environment, future business goals and technology improvements, and the best path forward towards organizational efficiency.

Sean has vast prior experience both as a contributor and in leadership positions in the technology industry. In these roles, he supported clients in their efforts around managed services, cybersecurity, compliance, cloud, SaaS, data analytics, professional services, and staff augmentation.

He currently resides in New Hampshire, but consults with clients across the country to better understand, diagnose, and adjust their technology needs.