Marina is an information security engineer at Yelp, in San Francisco. She finished her PhD in Physics last year, at the University of Stony Brook in New York. During graduate school she researched theoretical and computational Physics at several national laboratories, such as NASA Goddard Space Center, Los Alamos National Laboratory, and Brookhaven National Laboratory. She is an avid CTF player and her first computer was a 386, when she was 5 years-old.