Yesterday saw the end of the first EMBO Practical Course on Optogenetics! I just wanted to briefly thank the other organizers, speakers and instructors and all participants for this wonderful experience! I also wanted to thank EMBO for selecting and funding our proposal, and to the entire local team Jackie, Diah and Yvonne for their help and for the awesome atmosphere they created. I wrote a course summary (this is my personal summary) and uploaded it here; it is called the “The Three Ms of a successful PhD in/using optogenetics”! I hope to see all of you soon again! Harald