Waldir Antonio Serafim Da Silva Filho vs Jack Altman

Waldir Antonio Serafim Da Silva Filho vs Jack Altman

Waldir Antonio Serafim Da Silva Filho is a individual/angel based in Sao Paulo. Jack Altman is a individual/angel based in San Francisco, California, United States across 70 portfolio companies.

• Investor type: Waldir Antonio Serafim Da Silva Filho — Individual/Angel; Jack Altman — Individual/Angel
• Headquarters: Waldir Antonio Serafim Da Silva Filho — Sao Paulo; Jack Altman — San Francisco, California, United States
• Portfolio companies: Waldir Antonio Serafim Da Silva Filho — not disclosed; Jack Altman — 70

• Waldir Antonio Serafim da Silva Filho — Individual/Angel · Sao Paulo · Waldir Antonio Serafim Da Silva Filho portfolio
• Jack Altman — Individual/Angel · San Francisco, California, United States · 70 tracked deals · Jack Altman portfolio

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