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Our tEAM

Gabrielle (Ellie) Rubenstein

Co-Founder + Managing Partner

Ellie Rubenstein

About

As the Co-Founder and Managing Partner of Manna Tree, Ellie is a passionate investor focused on improving human health. Ellie is a member of the firm’s Executive and Investment Committees. She shapes the firm’s vision strategy and investment products and develops Manna Tree’s global network. For the past 10 years, Ellie has studied the evolution of the food and beverage supply chain, as well as the increasing consumer demand for healthier alternatives.

Prior to founding Manna Tree, Ellie helped develop the impact investing thesis for a family investment office well known for ESG driven strategies. As part of new product development for the office, she helped launch the first ever arctic asset manager based in Alaska. This established her early belief in the power of impact investing to address social challenges without sacrificing returns, as well as the importance of energy and food as asset classes.

In 2022, Ellie was honored to be appointed to the Alaska Permanent Fund Board of Trustees. As part of her role of trustee, she sits on the Governance Committee. At the Annual Meeting in September of 2023, Ellie was unanimously elected as Vice Chair of the Board of Trustees.

In January 2024, Ellie assumed a position on the Trustee Advisory Board of AIF Global, an independent economic think tank specializing in institutional investment policy. In this role, she offers thought leadership to peers, contributing innovative ideas, best practices, and strategies for the investment ecosystem.

In addition to her role at Manna Tree, Ellie is an active philanthropist. Through her family office, Mission: Ingredients, Ellie supports organizations that drive positive change in global population health. She supports ingredient research, outdoor wilderness, youth education, and military health and recovery programs.

Ellie’s combination of experience with both investment and philanthropy has inspired families and institutions to make investments in human health.

Ellie earned her bachelor’s degree in sociology from Harvard University, where she was a varsity ski racer. She earned her MS in agricultural economics from Purdue University College of Agriculture and an MBA from the Kelly School of Business at Indiana University, where she was a Tobias Fellow.

Ellie Rubenstein
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