The document outlines the public speaking experience and engagements of Rafał Hryniewski over the past few years. It shows that he has given 9 talks at 26 events from 2016 to 2019, with more planned for 2019. It then addresses and responds to common concerns people have about public speaking, such as when to start, where to speak, fears of failure or negative audience reactions. The document concludes with Rafał's 10 tips for successful public speaking, emphasizing preparation, being yourself, designing for failure, practicing, and finishing with grace.