Okay, let’s tackle this. So Mark Valentine has 21 years of experience as a chef, which is a significant amount. However, his education is in Sociology, not a culinary arts program. Location is Oakland, California, which is not a major hub for high-end dining. Skills like fine dining, restaurant management, and hospitality are valuable, but not extremely rare. Considering his experience and skills, I would estimate his hourly rate to be around $75, which is on the lower end of the scale for a chef with his experience. Maybe $100–$150 per hour for someone with more culinary arts training, but not necessarily for someone with a non-culinary degree.