I'm based in the Bay Area (currently in Sydney, Australia due to COVID). Feel free to reach out regarding speaking/press opportunities, consulting, vulnerability research and disclosure assistance, and venture advisory/investment.



I use Calendly for Calendar bookings:

Speaking at AusCERT2021 in Australia on "The Unlikely Romance"

Social and Other

You can also reach me via:

  • Twitter at @caseyjohnellis,
  • Keybase at @caseyjohnellis,
  • Snailmail in Australia at PO Box 337, Sutherland, NSW, or
  • iMessage/Signal (Contact via one of the above channels for the number).