Irish billionaire entrepreneur. Co-founder and CEO of Stripe. Winner of the 41st Young Scientist and Technology Exhibition in 2005. Founder of Fast Grants.

Computer programmer and video game developer. Co-founder of id Software and lead programmer of iconic games such as Commander Keen, Wolfenstein 3D, Doom, and Quake. Made innovations in 3D computer graphics, including Carmack's Reverse algorithm for shadow volumes. Former CTO of Oculus VR and currently working on his startup, Keen Technologies.

recipe development @koolaidco, a glimpse of my brain at http://brieswax.substack.com, used to @stripe @stripepress @figma