Leif Dreizler
Director, Software Engineering at Formal
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolLeif Dreizler is a security-minded software engineering leader with 13 years of experience building product security and customer-facing security features at companies like Segment and Semgrep. He progressed from hands-on consulting and application security roles at Redspin and Bugcrowd to engineering management and director-level leadership, blending deep technical expertise with product sensibility. Based in San Francisco and now leading engineering at Semgrep in New York, he routinely bridges security, product, and engineering teams to ship usable security tooling at scale. Outside of day-to-day work he advises startups, invests as an angel, and has organized regional OWASP chapters and AppSec events—demonstrating a commitment to community-driven security practices.
13 years of coding experience
13 years of employment as a software developer
Informatics, Informatics at University of SussexBachelor of Science Computer Science, Bachelor of Science Computer Science at UC Santa Barbara
Github Skills (139)
python10
semgrep10
security10
ruby10
analyticsjs10
octokit-js10
linter10
segment10
octokit10
javascript10
static-analysis10
owasp10
sdk10
vulnerabilities10
phantomjs10
Programming languages (15)
Github contributions (5)
leifdreizler/rename_season
Jan 2016 - Sep 2016
Contributions:26 commits, 25 pushes, 1 branch in 8 months
leifdreizler/bugcrowd
Feb 2017 - Jul 2017
Contributions:1 release, 58 commits, 2 PRs in 4 months
api-clientapipythonapi-wrapperpython-wrapper
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