John Kelleher

John Kelleher is an accomplished technology professional with extensive experience in software development and engineering. As the founder of Level K since May 2017, John has a strong entrepreneurial background, previously holding positions such as Software Engineer at Docent Health and Web Developer at Openbay, where expertise in full-stack development and complex SQL queries was demonstrated. Earlier roles include freelance contracting and serving as an instructor at General Assembly, where John co-taught a Backend Web Development course. John has also co-founded Leasability, a platform for landlords and brokers, and has held engineering positions at Textron Defense Systems. John Kelleher earned a Bachelor of Science degree in Applied and Engineering Physics from Cornell University.