
Alex Fleshman
Analyst, Portfolio Analytics and Risk
Alex Fleshman is an analyst on the portfolio analytics and risk group, a part of the investment team responsible for risk management and investment analytics at Thornburg Investment Management. The group deploys both industry-standard and proprietary tools to gain insight into the nonlinear additive nature of portfolio construction across multiple asset classes, market environments, and desired outcomes.
Prior to joining Thornburg in 2025, Alex spent five years at sustainable asset manager Impax Asset Management, where he was responsible for product intelligence to support product growth, product development, and product management. He began his career in investment management as a product analyst at Janus Henderson Investors, where he spent four years supporting distribution and marketing efforts with product and portfolio analytics.
Alex has a master’s in exploration field geology from University College Cork and a BS in geology from the University of Illinois.