Complex sentence: When Mr. Kleon was asked to address college students at Broome Community College in upstate New York in 2011, he shaped his speech around a simple list of ten things he wished someone had told him when he was starting out at their age.
Split into simpler sentences: When Mr. Kleon was asked to talk to students at Broome Community College to address college students in upstate New York in 2011. Austin Kleon wrote a simple list of ten things, he shaped his speech around those ten things he wished someone had told him when he was starting out at their age.