Derek M. Scheller Jr. – Cybersecurity Leader | Veteran | Advocate for Empowerment Through Security

Derek M. Scheller Jr. is a seasoned cybersecurity professional with over 13 years of experience spanning offensive security, cyber defense, and strategic consulting. A U.S. Army and Air National Guard veteran, Derek now serves as the Practice Manager of Security Engineering at Stratascale, where he leads high-performing teams in delivering cutting-edge cloud and hybrid security solutions.

His career journey—from tactical military operations to corporate cybersecurity leadership—has shaped his mission-driven approach to technology, leadership, and resilience. Derek holds top industry certifications, including CISSP, OSCP, and multiple SANS designations (GREM, GPYC, GCIH, GCED, GSEC), and specializes in vulnerability management, red/purple teaming, SIEM optimization, and security program development.

Beyond his technical expertise, Derek is a passionate educator and mentor. He hosts two widely respected podcasts—"Security Happy Hour" and "Walk With Me"—aimed at guiding newcomers into cybersecurity and inspiring personal growth. He also collaborates with schools to bring cybersecurity education to the next generation.

A compelling and relatable speaker, Derek brings authenticity, practical insight, and a deep sense of purpose to every engagement. Whether he's discussing threat detection, burnout in security teams, or the human side of cyber leadership, Derek connects with audiences through his real-world experience and passion for making security a force for good.