Jeffrey T. Sprague is Founder and Managing Partner at Vertical Research Partners. He is a 30-year Wall Street research veteran. Before founding Vertical Research Partners, he served in senior research roles at Citigroup, Salomon Smith Barney, Cowen & Company and PaineWebber. He most recently served as Managing Director and Global Industrial Sector Head at Citi coordinating industrial research between the Americas, Europe and Asia.

Jeff is a top-ranked Industrial analyst on Wall Street covering the Electrical Equipment/Multi-Industry sector. He is one of the most accomplished analysts in any sector, having been ranked #1 in the Institutional Investor (II) poll 11 times and in the top three 17 times. In 2011, Jeff was inducted into the II Hall of Fame, recognized as one of the top analysts of all time. Jeff has received many other awards and recognition over the course of his career. He was the top-ranked analyst in his field for 10 years in the annual Greenwich survey and has regularly been cited as "most trusted" and as having "best industry knowledge" in this survey. In 2008, Financial Times/StarMine named Jeff the #1 stock picker in his field. That same year, he was also named to The Wall Street Journal "Best on the Street" group of analysts. In 2020, Refinitiv/StarMine named Jeff a #1 sector stock picker in the U.S. and the #1 earnings estimator in European Industrials.

Jeff served four years in the U.S. Army as a non-commissioned officer and tank commander. After being honorably discharged from the Army, he served an additional four years in the Ohio National Guard. He is a graduate of the University of Akron and is a Chartered Financial Analyst (CFA).