Christian (quaddi) Dameff is an emergency medicine physician, former open capture the flag champion, prior Defcon speaker, and researcher. Published works include topics such as therapeutic hypothermia after cardiac arrest, novel drug targets for myocardial infarction patients, and other Emergency Medicine related works with an emphasis on CPR optimization. His most recent focus is on biohacking, medical device security, and critical medical infrastructure cyber security. He can’t spell words well. This is his tenth Defcon.