Summary

Industry leader experienced in addressing formerly unsolved problems, and coordinating teams to align on solutions. More than 15 years working in the security industry, with extensive experience leading teams and advising management.

Employment

Amazon EU SARL, Dutch Branch: Senior Application Security Engineer

Dates: 2023-07 - 2026-11

Location: Amsterdam, NL

  • Lead multiple security reviews across the EMEA region
  • Acted as an escalation for security reviewers
  • Lead meetings with development partners to explain review findings and implementation guidance
  • Performed quality assurance across the global proactive security review program

Amazon.com: Senior Application Security Engineer

Dates: 2020-08-01 - 2023-07-31

Location: Seattle, USA

  • Advised security leadership team on strategy
  • Influenced other teams to align security strategies
  • Identified the DAST strategy for handling log4j and designed and direclty supported strategy for handling DAST log4j false positives
  • Help teams define their vision in alignment with the larger organization
  • Develop new threat modeling methodology to shift security left
  • Performed security reviews during peak periods, including reviewing SAST findings

Amazon Web Services (AWS): Senior Application Security Engineer

Date: 2017-03-01 - 2020-10-01

Location: Seattle, USA

  • Designed and operationalized dynamic analysis tooling that injects dynamic testing to verify Identity an Access Management at integration time (now mandatory for launch of all public AWS services)
  • Designed static analysis orchestration framework, wrapping tools like Fortify to increase finding fidelity.
  • Performed security reviews, including code and cloud security, during peak periods

MultiScale Health Networks: Application Security

Date: 2016-01-01 - 2017-01-01

Location: Seattle, USA

  • Threat modeling, code review, and testing MultiScale's product offerings
  • Training engineers on security best practices, including secure coding, in the web world
  • Reviewing logs and responding to possible security incidents
  • Identified HashDos in the Julia language and identified a replacement language for front-end code

Deja Vu Security: Senior Security Engineer

Date: 2012-11-01 - 2016-01-01

Location: Seattle, USA

  • Scoping, threat modeling, and execution on native and web code assisted penetration tests for Fortune 500 companies
  • Code review in multiple languages
  • Helping junior engineers correctly assess finding impact and risk
  • Helping junior engineers identify correct security mitigations for findings and communicate them to development teams
  • Leading team meetings to explain review findings and recommended fixes
  • Developed an R&D program for security engineer tooling
  • Facilitated improvements in methodology that significantly decreased cooperation overhead
  • Drove development teams to internalize security as a practice and thought pattern, rather than an external checkpoint
  • Development of the research and tooling processes, and leadership of the teams responsible for internal tool development and research
  • Leading consulting engagements
  • Writing fuzzer definitions (peach pits) for customers

Security Innovation: Security Consultant

Date: 2010-01-01 - 2012-10-01

Location: Seattle, USA

  • Scoping, threat modeling, and execution on native and web code assisted penetration tests for Fortune 500 companies

Volunteering

Public Records Activist and Independent Journalist

Date: 2020-06-23 - 2025-07-25

Location: Seattle, USA

  • Organized a group of activists to make public records requests in order to identify police misconduct
  • Collaboratively published several articles
  • Deanonymized thousands of police accountability reports, allowing other activists to identify dangerous officers

Security Skills

  • Code Review in multiple langauges

    • Python
    • C/C++
    • Java
    • C#
  • Embedded and Native Fuzzing
  • DAST and SAST
  • Web Penetration Testing
  • Threat Modeling
  • Linux
  • Cryptography

Other Interests

  • US Licensed Ham operator (KG7CMM)
  • Forager and gardener
  • Cybernetics
  • Emacs and \LaTeX