Rogier is a serial entrepreneur and digital security enthusiast, currently Co-Founder and CEO of Hadrian Security. Hadrian is modernizing offensive security practices with automation, making security teams faster and more scalable. As a teenager he was acknowledged by large companies like Google, PayPal, Microsoft and Yahoo for ethically breaching their systems. In 2013, at only 17 years old, he was one of the first innovators in the cryptocurrency industry by founding LiteBit, a custody and brokerage platform with over a million traders. Driven by a passion for company building and startups, Fischer has started angel investing and advising other startups. He founded an angel syndicate and has been investing in healthcare, security, gaming, and deep tech startups.