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Robby Greenfield

American businessman and philanthropist

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About Robby Greenfield

Robby Greenfield was a businessperson, athletics competitor and activist.

Robert Thomas Greenfield IV (also known as Robby Greenfield) is an American businessman, activist, philanthropist and former college athlete. He is the founder of the financial technology company Umoja Labs, formerly known as Emerging Impact, and serving as the former Head of Social Impact of ConsenSys, co-founded its philanthropic arm, ConsenSys Social Impact.

Early life Greenfield is from Atlanta, Georgia. He attended a four-year prep school at The Westminster Schools in Atlanta, GA, where he played soccer and participated in track and field. As a soccer player, he won the 2011 GHSA State Championships. In Track & Field, Greenfield participated in the 100 meter, 4x100 mete r, and triple jump events, and won a State Championship as a sophomore . While studying at the University of Michigan, Greenfield was a student activist, serving as the treasurer of the Black Student Union and a leader of the 2013 social media awareness campaign Being Black at Michigan (#BBUM).

Greenfield also earned an MBA from Goizueta Business School at Emory University in 2020. He went on to co-found the app development company Nomsy, which developed and published a food discovery app with dietary information.

After graduating, Greenfield worked at companies such as Cisco, Amazon and Goldman Sachs.

Greenfield was eventually appointed Head of Social Impact at ConsenSys. He co-founded ConsenSys Social Impact, which leveraged blockchain technology and education to address the needs of underprivileged individuals globally.

As a blockchain community advocate, Greenfield helped launch scholarship programs, including Black Girls CODE’s inaugural blockchain program.

In 2020, Greenfield returned to Emory University to teach at the university’s “Peer to Peer Master Class” sessions.

In 2020, he founded Emerging Impact (now known as Umoja Labs) a fintech company developing blockchain products for areas with limited access through fiat and mobile money. Emerging Impact has partnered with major NGOs such as Hope for Haiti, Care International, and the Celo Foundation to support digital humanitarian aid programs around the world. The company was named a winner of Inclusive Fintech 50’s 2022 cohort for their work in digitizing financial services for underserved communities.

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Important facts

Frequently asked questions

Who was Robby Greenfield?

American businessman and philanthropist

What was Robby Greenfield's occupation?

Robby Greenfield was a businessperson, athletics competitor and activist.

Sources & further reading

· Wikipedia: Robby Greenfield

· Wikidata: Q115871052

· DBpedia: Robby Greenfield

Cite this page

APA: Biography.guide. (2026). Robby Greenfield. https://biography.guide/robby-greenfield/

MLA: "Robby Greenfield." Biography.guide, https://biography.guide/robby-greenfield/.

Chicago: "Robby Greenfield." Biography.guide. https://biography.guide/robby-greenfield/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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