I was once like you are now, and I know that it’s not easy To be calm when you’ve found something going on But take your time, think a lot Why, think of everything you’ve got For you will still be here tomorrow, but your dreams may not — Yusuf Islam (aka Cat Stevens), Father and Son

This “teaching tips” panel differs from traditional professional development opportunities, which cover bread-and-butter tech- niques. Here four seasoned computing educators with a diversity of perspectives were asked to reflect on their entire careers, and share the most important things they wish they had known back then.