John Costella is a highly accomplished and diverse professional with an impressive background in engineering, physics, education, management, data science, Facebook, cybersecurity, and intelligence. He holds dual Australian and U.S. citizenship and has studied at the University of Melbourne, where he earned a PhD in Theoretical Particle Physics, a BE(Elec)(Hons) in Electrical, Electronic and Computer Engineering, and a BSc(Hons) in Physics. He also holds a GradDipEd in Education from the same institution.

Throughout his career, Costella has held a variety of roles in various organizations. He spent several years at Facebook, where he was Lead, Threat Discovery Engineering, Intelligence Data Scientist, eCrime Data Scientist, Threat Infrastructure Data Scientist, and Sentiment Measurement Lead. He was also a Software Engineer at the social media giant. Prior to joining Facebook, Costella was a Senior Data Scientist at Intelematics, a Product Consultant at Thomson Reuters, and a Cancer Physics Data Scientist at Peter MacCallum Cancer Centre.

Costella's experience also includes work in education, where he served as a Teacher at Peninsula Grammar and Mentone Grammar in Australia. He also worked as a Postdoctoral Research Physicist at the University of Melbourne and a Visiting Scholar at the Institute for Nuclear Theory at the University of Washington. In addition, he was an Intern at IBM and worked in various roles at McDonald's.

Throughout his career, Costella has demonstrated a strong work ethic, an exceptional ability to learn new skills quickly, and a dedication to leveraging his knowledge and expertise to solve complex problems and create value for his employers. He has an impressive record of achievement in his field, and his skills and experience make him a highly sought-after professional in engineering, data science, and cybersecurity.