Benjamin Armellini

Benjamin Armellini is the Managing Partner, East at Main Street Research, based in Greenwich, CT. In this capacity, he is responsible for overseeing client relationships, leading the firm’s strategic investment initiatives, and managing asset allocation decisions, primarily serving clients throughout the New York metropolitan area and beyond. His leadership role also involves steering the firm’s approach to navigating major market cycles and macroeconomic events, such as U.S. elections, with an emphasis on dynamic portfolio management.

Armellini’s investment expertise spans across global equities and fixed income, with a particular focus on sector rotation strategies and risk management in volatile markets. His commentary and participation in strategic reviews highlight his specialization in analyzing the impact of political, economic, and policy shifts on asset classes and advising clients on tactical allocations, especially within U.S. equities, growth sectors, and multi-asset portfolios.

With a progressive career at Main Street Research—rising from Research Analyst to Portfolio Manager, and now Managing Partner—Armellini combines deep analytical skills with hands-on portfolio management experience. He is a graduate of Gettysburg College and the University of San Francisco School of Management, with formative education at Kent School. His approach to investment leadership is recognized for integrating rigorous fundamental analysis with adaptability to shifting market conditions, contributing to Main Street Research's growth and client retention.