Nathan Flynn is a Managing Director at Siebert Williams Shank, based in the United States. He joined the firm in June 2023. Prior to this, Nathan held the position of Managing Director at KeyBanc Capital Markets from March 2020 to October 2022. His extensive experience also includes roles such as Senior Manager at Crowe and Managing Director at Fifth Third Securities and William Blair & Company. Nathan specializes in serving governmental clients, focusing on delivering high-level quantitative analysis for project finance transactions involving debt, derivative, and P3 products.