Marzena Fuller

About Marzena Fuller

I’m a 3x Chief Information Security Officer (CISO) and Fractional CISO, helping organizations build security programs that drive growth, enable trust, and scale with confidence. I work hands-on with startups and growth-stage companies to align security with business outcomes—turning security from a cost center into a competitive advantage.My experience spans startups and public companies, where I’ve built security teams from scratch, scaled global programs to 90+ professionals, and guided businesses through IPOs and M&A. I bring a strategic yet pragmatic approach to security—balancing compliance, culture, and innovation.I’m also exploring AI through a strategic and human-centered lens, with a focus on how emerging technologies reshape leadership, decision-making, and trust.

Experience

1. CISO

   Cognite

   Feb 2026 — Present · San Francisco, CA, US

Education

• San Francisco State University

  Bachelor, Management Information Systems

  2002 — 2006

• Harvard University

  Master's degree, Information Management Systems, Extension Program

  2015 — 2018

Skills

• Privacy Compliance
• Software Development Life Cycle (Sdlc)
• Business Process
• Information Technology
• Vendor Management
• IT Management
• Fedramp
• IT General Controls
• Cisa
• Identity & Access Management (Iam)
• Governance
• Business Process Improvement
• IT Strategy
• IT Application Controls
• Computer Security
• Nist 800-53
• Sas70
• Information Security Management
• Sdlc
• Enterprise Risk Management
• Payment Industry
• Internal Audit
• Vulnerability Assessment
• Information Security
• Cissp
• IT Audit
• Auditing
• Risk Management
• Pci Dss
• Saas
• IT Controls
• Management
• Project Management
• Security
• Enterprise Software
• Iso 27001
• Hipaa
• Internal Controls
• Program Management
• Incident Response