John Brennan

John Brennan is an early stage cybersecurity investor with over a decade of experience in venture capital. Currently building out a new platform (still in stealth) to invest in and support cybersecurity entrepreneurs at their earliest stages, John has invested in over twenty security startups, with a focus on supporting founders from day one. John previously served as a Senior Partner at YL Ventures, and has also held positions at Data Collective (DCVC), OCA Ventures, and Horsley Bridge Partners. His past portfolio work includes Axonius, Orca, Medigate, Hunters, Cycode, Vulcan Cyber, and many others. John holds an MBA from the University of Chicago and a Bachelor of Science from Trinity College in Connecticut.