Founded in 1965, Gelb Consulting has empowered organizations with rich market insights to drive revenue growth. As pioneers in advanced research techniques for several industries, Gelb has been at the forefront of adopting new techniques to accelerate connections with customers, and, more importantly to our clients, to revenue.

In 2012, Gelb merged with Endeavor Management. Endeavor brought an expertise in business transformation, cultural assessments and expert advisors with deep experience in our industries of focus. Together, we provide an exceptional combination of research insights, industry expertise, and strategic frameworks to help our clients achieve their strategic goals.
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Oil & Gas

We blend industry expertise and fresh insights to drive practical strategies at all points in the value chain: exploration, production, transportation, trading, processing, marketing and supporting services.
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For 50 years, healthcare organizations have turned to Gelb Consulting to build and sustain market leadership through experience management, marketing strategy and business strategy.
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Expert Witness

The firm’s two expert witnesses, Gabriel Gelb and Betsy D. Gelb, Ph.D., have assisted attorneys in 30 states on both the plaintiff and defendant side, specializing in trademark infringement, patent infringement, and deceptive advertising allegations.
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