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Santiago Perez De Rosso

Founder

Founder at Aleph · Founder at Aleph Labs, Inc.

Greater Seattle Area

FoundedAleph · YCAleph Labs, Inc.

Find your path to Santiago

547 people in our graph share verified history with Santiago — schools, employers, funds. One of them is your warm intro.

Steve SinghunlockedSantiago: together at DocuSign (2020)
×5Santiago: together at DocuSign
×6Santiago: together at Massachusetts Institute of Technology

About

Santiago Perez De Rosso is Co-Founder and Chief Technology Officer at Aleph.

Likely email· guessed from name + firm domain, not firm-published

Founder at AlephYC S21

Intro paths

YC

Santiago went through Y Combinator (Summer 2021) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Aaron Epstein, General Partner at Y Combinator — the partner who ran Aleph's batch and knows the company first-hand. YC profile ↗

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In turn, Santiago can intro founders to Aleph's investors below.

Aleph's investors · 6

Bain Capital VenturesBoston · $1M – $100M checks · since 2025Khosla VenturesMenlo Park · $5K – $50M checks · since 2025PICUS CAPITALMunich · $100K – $300M checks · since 2025SignalRankVentureSouqAbu Dhabi · $250K – $50M checksY CombinatorSan Francisco · $500K checks · since 2021

Co-founders at Aleph

AGAlbert Gozzi
Albert GozziFounder

Founder at Aleph Labs, Inc.

Intro paths

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In turn, Santiago can intro founders to Aleph Labs, Inc.'s investors below.

Aleph Labs, Inc.'s investors · 4

Bain Capital VenturesBoston · $1M – $100M checks · since 2025Khosla VenturesMenlo Park · $5K – $50M checks · since 2025PICUS CAPITALMunich · $100K – $300M checks · since 2025Y CombinatorSan Francisco · $500K checks · since 2025

Co-founders at Aleph Labs, Inc.

AG
Alberto GozziExecutive Officer, Director

Experience

  1. AlephCo-Founder & CTOcurrent2021 — presentGreater Seattle Area
  2. DocuSignSenior Software Engineer2020 — 2021Seattle, Washington, United States
  3. Massachusetts Institute of TechnologyResearch Assistant2013 — 2020Cambridge, MA
  4. MicrosoftResearch Intern2018Redmond, WA
  5. GoogleSoftware Engineer2012 — 2013Mountain View, CA
  6. GoogleSoftware Engineering Intern2011Kirkland, WA

Skills & more

Python7JavaScript7Git4Software Design10Software Engineering13Distributed Systems7Computer Science3ProgrammingResearchComputer SecurityProgramming LanguagesSoftware Analysis

Languages English · Spanish

From Santiago's professional profile.

Frequently asked questions

Who is Santiago Perez De Rosso?
Santiago Perez De Rosso is Co-Founder and Chief Technology Officer at Aleph.
Where does Santiago Perez De Rosso work?
Santiago Perez De Rosso is Founder of Aleph and Co-founder at Aleph Labs, Inc..
What companies did Santiago Perez De Rosso found?
Santiago Perez De Rosso founded Aleph, Aleph Labs, Inc..
Where did Santiago Perez De Rosso go to school?
Santiago Perez De Rosso studied at Massachusetts Institute of Technology (Ph.D., Computer Science); Massachusetts Institute of Technology (M.S., Computer Science); Instituto Tecnológico de Buenos Aires (Computer Science & Engineering).

Founder mafias

Same school

Shared employers