Mario Sa

Mario Sa cofounded and leads NG.CASH, a Brazilian consumer finance platform built for younger customers. He previously cofounded Trampolin, acquired by StoneCo, and the creator channel Neagle.

Career

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Based in: São Paulo

NG.CASH

Feb 2021 — Present

Co-Founder & CEO

Fly Media

Sep 2025 — Present

Co-Founder

NEAGLE

Jun 2013 — Present

Co-Founder

Trampolin Payments SA (acquired by StoneCo. - NASDAQ:STNE)

Jul 2019 — Feb 2021

Co-Founder & CPO (Company Acquired by NASDAQ: STNE)

FANSTAR

Oct 2016 — Dec 2020

Co-Founder & CEO

Stanford Graduate School of Business

Harvard Business School

Pontifícia Universidade Católica do Rio de Janeiro

Bachelor's studies in business

IAG - Escola de Negócios da PUC-Rio

Products & media

economiareal.uol.com.br

Mario Augusto Sá on running NG.CASH

In Economia Real’s written Q&A with its AI interviewer, Gepeto, Mario explains the metrics he tracks, white-label product experiments, delegation and difficult feedback.

Writing

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Mario Sa

NG.CASH

Fly Media

NEAGLE

Trampolin Payments SA (acquired by StoneCo. - NASDAQ:STNE)

FANSTAR

Stanford Graduate School of Business

Harvard Business School

Pontifícia Universidade Católica do Rio de Janeiro

IAG - Escola de Negócios da PUC-Rio

Products & media

Mario Augusto Sá on running NG.CASH

Curated Lists

List Inclusions