Okay, let’s tackle this. So K.C. Wang has executive experience as COO at ChemistsWithoutBorders, a non-profit organization. The location is Cupertino, California, which is in the heart of Silicon Valley. This area is known for its high tech industry and startups, which often require experienced executives. Given his role as COO, which involves strategic planning, team management, and operational execution, his rate could be comparable to other executives in the tech industry. Considering the location and his experience, I estimate his hourly rate to be around $200, which is on the lower side for a COO in Silicon Valley but still reasonable for a non-profit organization.