Emmanuel Turlay
FounderFounder at Airtrain AI
Oakland, California, United States
FoundedAirtrain AI · YC
About
Emmanuel Turlay conducted particle physics research at CERN before transitioning to tech roles including order and payment infrastructure engineering at Instacart and ML platform leadership at Cruise. He is CEO and co-founder of Sematic.
Emmanuel Turlay @neutralino1
I'm mad at AI for stealing em dashes. Now I have to resort to vulgar colons or hyphens. – –
Jul 21, 2026 · ♥ 2
Emmanuel Turlay @neutralino1
One thing that's still keeping AI from being a true work partner is its passivity. User asks, AI responds. Real partners chime in when needed, actively engage, make proactive suggestions. If I never ask it anything, it will never do anything. But that's another level of human
Jul 20, 2026 · ♥ 1
Emmanuel Turlay @neutralino1
Tout ce talent, c'était du flan.
Jul 15, 2026 · ♥ 1
Founder at Airtrain AIYC S22
Intro paths
Emmanuel went through Y Combinator (Summer 2022) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Airtrain AI's batch and knows the company first-hand. YC profile ↗
In turn, Emmanuel can intro founders to Airtrain AI's investors below.
Airtrain AI's investors · 4
Experience
- CoreWeaveDirector of Engineeringcurrent2026 — presentSan Francisco, CA
- Weights & BiasesMember of Technical Staff2025 — 2026San Francisco, California, United States
- Airtrain AIFounder & CEO2022 — 2025San Francisco Bay Area
- CruiseSenior Staff Software Engineer2021 — 2022San Francisco Bay Area
- CruiseStaff Software Engineer2019 — 2021San Francisco Bay Area
- CruiseSenior Software Engineer2018 — 2019San Francisco Bay Area
- InstacartMachine Learning Engineer2016 — 2018San Francisco Bay Area
- InstacartTechnical Lead Manager2015 — 2016San Francisco Bay Area
- InstacartSenior Software Engineer2014 — 2015San Francisco Bay Area
- Milestone Project Inc.Back-end Software Engineer2014San Francisco Bay Area
- WeLoveWordsLead Software Engineer2013 — 2014Paris Area, France
- Freelance Web DevelopmentFreelance Software Engineer2012 — 2013Paris Area, France
- official.fmProduct Designer & Manager2011 — 2012Geneva Area, Switzerland
- official.fmHead of QA & Software Engineer2010 — 2011Geneva Area, Switzerland
- NIKHEFPost-doctoral researcher2009 — 2010Amsterdam Area, Netherlands
- Laboratoire de l'Accélérateur LinéairePhD student2006 — 2009Paris Area, France
- Université Paris-Sud 11Teaching assistant2006 — 2009Paris Area, France
Education
- Paris-Sud University (Paris XI)PhD, Fundamental physics2006 — 2009
- Paris-Sud University (Paris XI)Master, Fundamental Physics2005 — 2006
- University of GlasgowMSc, Physics2004 — 2005
- Université Paris CitéBSc, Math2001 — 2003
Skills & more
+12 more
Open SourceBashPostgreSQLBackbone.jsDatabasesLinuxRESTJSONSoftware DevelopmentGuitarSongwritingWeb DevelopmentLanguages English · French · German
From Emmanuel's professional profile.
Founder mafias
Y Combinator mafia8,668
Also came through, then founded or led a company.
+ 8,661 more
Cruise mafia32
Also came through, then founded or led a company.
.png)
+ 25 more
Instacart mafia22
Also came through, then founded or led a company.
+ 15 more
University of Glasgow mafia8
Also came through, then founded or led a company.
+ 1 more
Université Paris Cité mafia6
Also came through, then founded or led a company.
Same school
Also attended Paris-Sud University (Paris XI)18
+ 12 more
Also attended University of Glasgow49
+ 43 more
Also attended Université Paris Cité45
+ 39 more
Shared employers
Also worked at Weights & Biases13
+ 7 more
