Antti Rössi

Antti is an IT entrepreneur, a PHP enthusiast, and a white-hat hacker based in Helsinki Finland.

During the daytime, he’s leading an innovative recruitment technology company called Jobilla, where he’s mainly focusing hands-on in the actual product design and development processes day-to-day. For the night time and weekends, he turns into a white hat hacker that loves to solve CTF challenges and puzzles and to spend time penetration testing open-source software in private bug bounty programs in order to make the web a safer place for us all.

He is passionate about teaching fellow developers about software security (especially within the PHP community), and is known for concrete hands-on oriented presentations and workshops.

Bastian Hofmann

Bastian is a System Engineer at SysEleven, a full-service hosting company, where he focuses on bringing the power of Kubernetes to its customers. Before that he was caring about performance, monitoring, web-security and developer productivity at ResearchGate, the leading social network for researchers and scientists. When he is not developing stuff or looking at graphs, he likes to cycle, do Yoga, go to beer gardens and frequently speaks at international conferences on Kubernetes, software architecture and scaling web applications.

Chris Riley

Chris is a freelance consultant based in York, Uk with experience working in the public sector, small and large companies throughout North Yorkshire. Chris has over 10 years experience with PHP and has a keen focus on both software architecture and none functional requirements such as security, performance and maintainability. In his free time, Chris can often be found producing or playing with experimental libraries and contributing to Zend framework.