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.