Dennis Gallagher

Dennis Gallagher has over 24 years of work experience in the field of information technology. Dennis started their career as a Programmer at THREE VILLAGE CENTRAL SCHOOL DISTRICT in 1993 and worked there until 1997. In 1997, they joined Stony Brook Medicine as a Network Administrator and later served as a Manager of Systems Administration from 2001 to 2008. Dennis then became the Director of Network Services & Systems Administration, where they led a team of 35+ staff and managed various technology groups. In 2020, they briefly served as the Interim Chief Technology Officer before assuming their current role as the Chief Technology Officer at Stony Brook Medicine. In their current position, they oversee the IT Infrastructure Division and is responsible for standardizing and implementing common user experiences across the healthcare system.

Dennis Gallagher earned a Bachelor of Science (B.S.) degree in Applied Mathematics from Stony Brook University in 1995 and a Master of Science (M.S.) degree in Technology Systems Management from the same institution in 1997. Additionally, they have obtained multiple certifications from various institutions, including LinkedIn and EDUCAUSE, in areas such as executive presence, leadership, and employee management.