NISA manages portfolios for some of the largest institutional investors in the world. Client portfolios include investment-grade fixed income, derivative overlays and index-like equity investments. NISA is 100% employee-owned and is based in St. Louis, Missouri. Members of our experienced senior leadership team provide guidance for the firm through the Management Committee and Investment Committee. We employ over 200 people, approximately one fifth of whom have a participation interest in the firm.
NISA’s founders, Jess Yawitz and Bill Marshall, began their careers as professors at Washington University in St. Louis, where they were early pioneers in research on fixed income investing and the concepts of interest rate risk management and immunization. After leaving academia to work on Wall Street, Jess and Bill returned to St. Louis, founding NISA Investment Advisors, L.L.C. in 1994 as a firm focused on fixed income investing for large institutional investors.
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