Leif Dreizler is an information security professional with over a decade of experience. Leif joined Segment (now part of Twilio) in 2017 and currently manages a team of Software Engineers focused on building security features. Leif joined as an early member of the security team and helped build out Segment’s application security program as an individual contributor before switching into a security-focused software engineering role. Leif is an active member of the security community and regularly publishes blog posts, speaks at conferences, and helps organize events. Prior to Segment he worked as the first Sales Engineer at Bugcrowd and as an Application Security Consultant at Redspin.