Mari DeGrazia is an Associate Managing Director at Kroll Cyber Risk, which provides cyber security services on a global scale. Throughout her career, Mari has investigated high-profile breach cases, worked civil and criminal cases and provided testimony as an expert witness. She has written and released numerous programs/scripts to the forensics community; presented her research at industry conferences; and is a published author in several magazines. She is also a SANS instructor where she loves sharing her knowledge with students. She holds several industry certifications in addition to earning a B.S. in Computer Science from Hawaii Pacific University.

Charles Shirer is a penetration tester and consultant with 17 years of overall IT operations experience, with the last 6 years in Information Security. On Twitter he regularly posts inspiring and encouraging Magnificent Monday videos, and is known as the most positive person in security. He is a regular host or guest on multiple podcasts, including GrumpyHackers, HackThePlanet, and Positively Blue Team Cast, and is a part of the MentalHealthHackers, DeadPixelSec, NovaHackers, and HackingIsNotACrime families. He works as staff for several security conferences, and somewhere in his free time works on the penetration testing focused linux distribution SECBSD based on OpenBSD.