Daniel M.
Head of Security Engineering @Crexi
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WORK HISTORY
Head of Security Engineering @Crexi
Los Angeles, CA, US
I lead full-stack cybersecurity and governance, risk, and compliance (GRC) programs across both corporate and product environments, aligning security architecture, engineering, and operations with SOC 2, ISO 27001, NIST 800-53, and privacy frameworks. Designed and implemented end-to-end security controls across cloud infrastructure, SaaS platforms, and internally developed products, embedding security into the SSDLC through, secure design reviews, and automated policy enforcement. Architected Zero Trust and Defense-in-Depth security models spanning identity, network, endpoint, application, and data layers. Directed enterprise identity and access management and encryption strategies across customer-facing and internal systems. Operationalized risk management through continuous control monitoring, automation and vendor risk assessments. Drove agentic, AI-powered security automation across detection, response, compliance evidence collection, and vulnerability management, significantly reducing mean time to detect (MTTD), mean time to respond (MTTR), and audit overhead while elevating overall security maturity.Implemented and operationalized core security platforms including a centralized SOC with SIEM-based detection and response, enterprise corporate VPN, and web application firewall (WAF) protections, integrating telemetry across cloud, SaaS, identity, endpoint, and application layers to enable continuous monitoring, threat detection, and policy enforcement at scale: Elevated overall security posture and compliance maturity by hardening and automating core security controls with agentic AI, reducing organizational risk exposure by ~70% while driving multi-million-dollar cost avoidance through security automation, vendor consolidation, and efficiency across corporate and product environments.
EDUCATION
Irvine Valley College
Associate of Science - AS, Accounting and Finance
Oneday
Master of Business Administration - MBA, Entrepreneurship/Entrepreneurial Studies
Irvine Valley College
Associate of Science - AS, Business Administration and Management, General
The George Washington University - School of Engineering & Applied Science
Master of Engineering - M.Eng, Cybersecurity & Compliance
Augment.org
Executive MBA, Business Administration and Management, General
The George Washington University - School of Engineering & Applied Science
Doctor of Engineering - D.Eng, Cybersecurity Analytics
California State University - East Bay
Bachelor of Science - BS, Information Technology Management
ABOUT DANIEL M.
I’m a founder, builder, and serial problem-solver who specializes in turning complex, high-risk environments into scalable, resilient systems. I operate at the intersection of cybersecurity, IT, and agentic AI, designing and engineering solutions that help organizations move faster, safer, and more efficiently as they grow.I’ve built and scaled security and technology platforms from early-stage chaos to enterprise maturity, supporting startups and high-growth companies through rapid expansion, compliance inflection points, and real-world disruption. My work spans full-stack security engineering, GRC, and platform architecture across both corporate and product environments, with a consistent focus on reducing risk, eliminating operational friction, and enabling the business.not slowing it down.A core differentiator in my approach is hands-on engineering and automation. I design and deploy agentic AI systems to orchestrate security and IT workflows end-to-end, reducing manual toil, hardening security posture, and achieving step-change improvements in efficiency and cost. I’m particularly effective in early-stage and transition moments, where clarity, speed, and execution matter more than theory. I get IT done.My background combines deep technical practice with executive and academic rigor. I hold Doctoral Candidacy in Cybersecurity Analytics, a Master’s in Cybersecurity Compliance, an MBA, and a Bachelor’s in Information Technology Management. I also maintain industry-leading credentials including CISSP, CCISO, and SecurityX, with hands-on mastery across all seven domains of cybersecurity—from security architecture and engineering to operations, risk, and governance. This blend allows me to translate between founders, engineers, executives, and boards, aligning security strategy with business reality. U.S. born and based, and meeting all requirements for FISMA, CMMC, and FedRAMP-aligned environments.I’m drawn to building things that didn’t exist before, solving problems others avoid, and using technology, especially AI, to create leverage at scale. Always open to conversations around startups, security engineering, agentic systems, and building resilient, future-ready platforms.Are you building something worth talking about? Get in touch.
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