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Yafet Melake

Founder

Founder at Expanse

United States

FoundedExpanse · YC

Find your path to Yafet

1,153 people in our graph share verified history with Yafet — schools, employers, funds. One of them is your warm intro.

Garry TanunlockedYafet: together at Y Combinator (2026)
×11Yafet: together at Y Combinator

About

Yafet Melake is co-founder and COO of Expanse. He previously worked on research infrastructure at G-Research, a quantitative finance firm, and studied Computer Science at the University of Edinburgh.

Founder at ExpanseYC X26

Intro paths

YC

Yafet went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.

GP

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

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In turn, Yafet can intro founders to Expanse's investors below.

Expanse's investors · 2

Scribble VenturesPortola Valley · $750K – $1.5M checksY CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Expanse

IBIsmaeel Bashir
Ismaeel BashirFounder
NBNikodem Bieniek
Nikodem BieniekFounder
EMEren Mendi
Eren MendiFounder

Experience

  1. ExpanseCo-founder & COOcurrent2025 — presentSan Francisco Bay Area
  2. G-ResearchSoftware Engineer2025London Area, United Kingdom
  3. AmazonSoftware Engineer2024Greater London
  4. SEO LondonFull-Stack Tech Developer2023
  5. Bloomberg LPSummer Intern2021London, England, United Kingdom

Skills & more

High Performance Computing (HPC)2Java1MATLABHTMLC#CSQLDockerNode.jsCascading Style Sheets (CSS)TypeScriptC++
+9 moreGitAmazon Web Services (AWS)Software TestingPython (Programming Language)ResearchAnalytical SkillsCommunicationLeadershipTeamwork

Languages English

  • edX Verified Certificate for Introduction to Computer Science and Programming Using Python — edX
  • Bronze DofE Award — The Duke of Edinburgh's Award
  • Silver DofE Award — The Duke of Edinburgh's Award
  • Critical Thinking — EtonX

From Yafet's professional profile.

Frequently asked questions

Who is Yafet Melake?
Yafet Melake is co-founder and COO of Expanse. He previously worked on research infrastructure at G-Research, a quantitative finance firm, and studied Computer Science at the University of Edinburgh.
Where does Yafet Melake work?
Yafet Melake is Founder of Expanse.
What companies did Yafet Melake found?
Yafet Melake founded Expanse.
Where did Yafet Melake go to school?
Yafet Melake studied at The University of Edinburgh (Artificial Intelligence and Computer Science); Rugby School (Mathematics, Physics).

Founder mafias

Rugby School mafia3

Also came through, then founded or led a company.

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