Okay, so Philip has 15 years of experience in supervisory roles, which is a significant amount of time. Typically, supervisory roles in the financial industry, especially in operations, can command hourly rates in the range of $25-$75. Considering his experience and the fact that he worked at Chemical Bank, a well-established financial institution, I'm estimating his hourly rate to be around $40. This is a relatively conservative estimate, as top-tier financial professionals with similar experience can command higher rates. However, Philip's role as a supervisor in operations is more specialized, so I'm not overestimating his rate too much.