How does PNCC define PI or Co-PI? August 26, 2022 21:44 We follow NIH’s definitions for these terms. Here is a link to NIH’s website glossary for PI and then Co-PI. Related articles What to do when your project is nearing the end and you want to continue the work? What are the proposal deadlines? How do I access data via Globus? What is PNCC Compute? Why do grids need to be clipped?