Gary Warner is one of PhishMe's elite cybercrime researchers, where his current research areas are malware analysis, social networks of cyber criminals, hate groups, and terrorists. Involved in cybersecurity since 1989, he began his career helping large organizations connect securely to the internet. He has worked as an IT director for a publicly-traded utility, and has served as a task force officer for the FBI Cybercrimes Task Force. With regards to critical infrastructure protection, he founded the Birmingham InfraGard chapter, and has served on the national boards of the FBI's InfraGard program and DHS's Energy ISAC.

Since 2007, Warner has been teaching and researching at the University of Alabama at Birmingham in an interdisciplinary program that applies computer science solutions to justice science problems. His research has been supported by the Department of Justice, the Department of Homeland Security, and many corporate partners. He has been awarded the Microsoft MVP Award in Enterprise Security five times, received the IC3.gov/NCFTA Partnership Award and has been recognized by former FBI Director Robert Mueller for Exceptional Service in the Public Interest. His early research in spam and phishing intelligence led to the creation of Malcovery Security, acquired by PhishMe in 2015.