New York

October 15–17, 2025

Berlin

November 3–4, 2025

Leif Dreizler

Leif is currently leading multiple teams as a Senior Engineering Manager at Semgrep.

Leif is currently leading multiple teams as a Senior Engineering Manager at Semgrep, the company behind the eponymous open-source tool and Application Security platform. Previously, Leif was a manager at Twilio Segment where his team was focused on building customer-facing security features and internal security tools.

Leif has worked in the information security space for over a decade, has helped organize multiple conferences and meetups, and is currently the co-host of the podcast 404: Security Not Found.

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Performance review seasons are tense times for managers and reports alike. Here's a system to smooth the process over.