Jay T. Dirienzo
Lead Portfolio Manager, Preferred Stock

Jay T. Dirienzo is the Lead Portfolio Manager, Preferred Stock at National Investment Services. Prior to his promotion on January 1, 2024, Jay was an assistant portfolio manager for the strategy from January 1, 2022 to December 31, 2023. From 2020 to 2021 Jay was a credit analyst, primarily responsible for research coverage in preferreds; he also covered bank & finance, REITs and gaming. He started with the firm as a portfolio analyst in 2015.

Jay holds a B.A. in Financial Management from the University of St. Thomas.


  • National Investment Services, 2015
  • SJA Financial Advisory, 2015
  • University of St. Thomas, B.A.