casey john ellis

founder of bugcrowd & disclose.io · hacker, entrepreneur, and advisor · dad x2

⌖ san francisco bay area · often in sydney

cje.ioi write stuff here↗tall poppy groupi invest, advise, consult, and incubate from here↗bugcrowdi founded this↗disclose.ioi'm mostly working on this↗security research legal defense fundi'm on the board here↗

other stuff

digital twinthis is my delphi digital twin — expect weirdness↗slides and talksdecks from conferences and keynotes↗

get in touch

book timegrab some time or book a consultation↗commentary, interviews & speakingpress@cje.io↗pitch your startupventure@cje.io↗everything elsehello@cje.io↗

projects and tools

whereis.coa location flare for the social and agentic web↗your linkedin qr on your lock screenqr.cje.io↗