Jobert Abma is a co-founder and principal engineer at HackerOne, the leader in Attack Resistance Management. He is an avid hacker, developer, and advocate for transparent and safe vulnerability disclosure. As a hacker himself, Jobert has reported critical vulnerabilities to GitLab, Yahoo!, Slack, and Snapchat, among others. Before founding HackerOne, he was a successful penetration tester for a company he founded, with customers including Twitter, Facebook, Evernote, and Airbnb. He studied computer science at Hanze University Groningen.