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For over 50 years,

organizations have turned to

Gelb Consulting

to build and sustain

market leadership.

Contact Us


Let’s work together

to fuse market insights

with industry expertise

and develop practical

marketing, brand or

experience management


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 brings additional expertise in business transformation, cultural assessments and expert advisors with deep experience in our industries of focus, oil and gas, healthcare, and energy and industrials. Together, we provide an exceptional combination of research insights, industry expertise, and strategic frameworks to help our clients achieve their strategic goals.

  • Healthcare

    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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  • Oil and 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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  • Expert Witness

    Gelb Consulting’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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