Okay, let’s tackle this. So Jeffrey Kauffman has an MBA from Columbia Business School, which is a reputable institution. He has over 10 years of experience in the finance industry, which is a significant amount of time to develop expertise. His skills in financial modeling and data analysis are in demand. Location is Brooklyn, NY, which is a hub for finance professionals. According to data from Glassdoor, finance professionals with similar experience and education can earn around $100–$150 per hour. Considering his MBA from Columbia, I’ll estimate his rate to be on the higher end of this range, around $125 per hour.