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Mario Fleck

Investor

Partner at AcNext Capital

Sao Paulo, Brazil

Writes $100K – $5M checks · typically $2.5M

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Ask Orli Herschmann to introduce you to Mario

You →Orli · together at American Jewish Committee (AJC) (2019–2020) →Mario

Ask Jamie Chen to introduce you to Mario

You →Jamie · together at American Jewish Committee (AJC) →Mario

Ask Sam Okafor to introduce you to Mario

You →Sam · 2 people · together at Rio Bravo Investimentos →Mario

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About

Mario Fleck is a partner at AcNext Capital, where he focuses on venture capital investments in startups across Brazil, the United States, and Israel. He serves as vice chair of the International Board and Assets Committee, as well as a member of the Executive and Management Committees at the Weizmann Institute of Science. His professional interests include Jewish affairs and Israel-related matters.

Experience

  1. Weizmann Institute of ScienceVice chair International Board, Executive Board, Vice chair Assets committee, Mgment Committeecurrent2025 — presentIsrael
  2. Weizmann Institute of ScienceInternational Board member, Executive Board Member, Assets committeecurrent2010 — presentIsrael
  3. AcNext CapitalPartnercurrent2020 — presentSão Paulo, SP
  4. American Jewish Committee (AJC)Board of Governors membercurrent2008 — presentEstados Unidos
  5. Rio Bravo Investimentos S.A.Partner and CEO2004 — 2020
  6. Accenture (Andersen Consulting)country managing partner 1990 / 20041990 — 2004
  7. Andersen Consultingpartner1986 — 2004
  8. Andersen ConsultingPresident1976 — 2004
  9. Andersen ConsultingRetired Partner1976 — 2004
  10. Andersen Consultingpartner1976 — 2004
  11. Acenturepartner1981 — 2004

Skills & more

Coaching

From Mario's professional profile.

Colleagues at AcNext Capital

André Cruz
Partner at AcNext Capital
Carlos Pedranzini
Partner at AcNext Capital
Francisco A. Ribeiro
Partner at AcNext Capital
Giancarlo Berry
Partner at AcNext Capital
Heron Abi-Sâmara
Partner at AcNext Capital
Roger Ingold
Partner at AcNext Capital
Steph Ango
Founder at Lumi
Vasco Luce
Partner at AcNext Capital

Network4

André Cruz
Partner at AcNext Capital
Carlos Pedranzini
Partner at AcNext Capital
Francisco A. Ribeiro
Partner at AcNext Capital
Giancarlo Berry
Partner at AcNext Capital

Investors connected to Mario in public investor directories — a warm-intro map.

Frequently asked questions

Who is Mario Fleck?
Mario Fleck is a partner at AcNext Capital, where he focuses on venture capital investments in startups across Brazil, the United States, and Israel. He serves as vice chair of the International Board and Assets Committee, as well as a member of the Executive and Management Committees at the Weizmann Institute of Science. His professional interests include Jewish affairs and Israel-related matters.
Where does Mario Fleck work?
Mario Fleck is Partner at AcNext Capital.
What check size does Mario Fleck write?
Mario Fleck typically writes checks of $100K – $5M.
Where did Mario Fleck go to school?
Mario Fleck studied at Pontifícia Universidade Católica do Rio de Janeiro (Ba, Mechanics).

Same school

Shared employers