Sean Dennison

Sean Dennison is a seasoned engineering professional with extensive experience in software development and team leadership. Currently serving as a Senior Engineering Manager at Brilliant.org since December 2023, Dennison previously held the role of Director of Engineering at Synthesis from April 2021 to December 2023. Prior experience includes leading cross-functional teams as a Senior Software Engineer Team Lead at Finite State, and architecting client-facing solutions at Hatch Loyalty. Early career roles include software engineering positions at Intevity, Leapfrog Online, and Honda R&D, where Dennison contributed to innovative projects and received multiple awards. Dennison holds a Bachelor of Science degree in Electrical Engineering from The Ohio State University.