Dr. Chang Liu is a former engineering professor turned serial entrepreneur. He conducted micro/nano engineering research at the University of Illinois and Northwestern University. He started four companies, including NanoInk, Nanospheres, SensicFusion, and Integrated Micro Devices. Dr. Liu is the author of three books, including two on the topic of technology commercialization and innovation. He lives in Chicago with his family. He can be reached at changliu8888@gmail.com.