Welcome to our new weekly spotlight, "ExpertISE," which welcomes voices of experience from the field of industrial and systems engineering to answer questions about professional work, careers, academia, and other sectors.In our premiere episode of "ExpertISE," we welcome Barrett Caldwell, Ph.D., a professor of industrial engineering and aeronautics and astronautics at Purdue University as well as a Fellow of IISE. Dr. Caldwell gives his thoughts on the following question: "How have international collaborations or perspectives influenced or enriched your ISE projects?"You'll find more "ExpertISE" episodes in the near future as well as our regular "Problem Solved" episodes.