Lennart Frantzell is a Developer Advocate with IBM in San Francisco, focusing on Blockchain and AI. Born in Sweden, Lennart moved to Silicon Valley in the late 1980s to work with Expert Systems. He worked on a team that specialized in taking prototypes from IBM Research and productizing them, making them ready for distribution to all over the world. When the "AI Winter" put the breaks to development of Expert Systems, Lennart moved to Object Oriented programming and from there to the IBM Internet Division, part of the burgeoning Internet and Web movement in the late 1990s.Marek Sadowski is a full stack developer advocate, a robotics startup founder and an entrepreneur. Born in Poland, he has about 20 years experience in consulting large enterprises in America, Europe, Japan, the Middle East, and Africa. As a graduate from the International Space University, Marek pioneered research on VR goggles for the virtual reality system to control robots on Mars in NASA Ames in 1999. He also founded a startup to deliver robotics solutions and services for industries. In 2014, Marek moved to Silicon Valley to promote Edge, IoT, robotics, and mobile solutions driven with AI, APIs, Cloud Native.