John Spensieri

John Spensieri is Head of Global Portfolio and Electronic Trading, a position he assumed in 2024. In this role, he is responsible for the development and oversight of Stifel’s electronic/algorithmic offering, one of the fastest growing segments of the equities business.

Mr. Spensieri joined Stifel in 2009 as Head of Alternative Executions, where he drove strategy and implementation for program and algorithmic trading, options, and trading technologies.

John is also a member of the National Organization of Investment Professionals (NOIP), serves on the Operating Committee for the National Securities Traders Association (STA), and is an active member of the Regional Broker Roundtable, a group of senior traders from every major regional broker that meets annually to discuss current events affecting the industry. Prior to joining Stifel, John ran a consultancy company focused specifically on trading strategy for the sell-side.

John received an MBA from Babson College in Entrepreneurship and Finance and a Bachelor of Science in Electrical Engineering from University of Buffalo.