Boris Jabes - Visiting Partner @ Y Combinator

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Overview

Number of Portfolio Companies

Number of Exits

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Primary Job Title Visiting Partner
Primary Organization
Y Combinator

Location New York, New York, United States
Regions Greater New York Area, East Coast, Northeastern US
Gender Male

Investor Type
obfuscated
obfuscation
Investor Stage
obfuscated
obfuscation
Number of Exits
obfuscated
obfuscation

Website borisjabes.com
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X (Twitter) View on X

Boris Jabes is based out of New York, New York and currently works as a Visiting Partner for Y Combinator. Boris previously worked at Census as a Co-Founder & CEO. Boris Jabes attended the Carnegie Mellon University.

Personal Investments

Number of Investments

Boris Jabes

has made

investments. Their latest investment was

Series A - Tobiko Data

obfuscation

, when

Tobiko Data

raised

obfuscation

Announced Date	Organization Name	Lead Investor	Funding Round	Money Raised
obfuscated obfuscation	Tobiko Data	—	Series A - Tobiko Data	obfuscated obfuscation
obfuscated obfuscation	Modal Labs	—	Series A - Modal Labs	obfuscated obfuscation
obfuscated obfuscation	Supernova	—	Angel Round - Supernova	obfuscated obfuscation
obfuscated obfuscation	Endgame	—	Seed Round - Endgame	obfuscated obfuscation
obfuscated obfuscation	BloomTech	—	Seed Round - BloomTech	obfuscated obfuscation
obfuscated obfuscation	Reflect	No	Seed Round - Reflect	obfuscated obfuscation

Partner Investments

Number of Partner Investments

Announced Date	Organization Name	Investor Name	Lead Investor	Funding Round	Money Raised
obfuscated obfuscation	Aladdin	Expert Dojo	Yes	Pre Seed Round - Aladdin	obfuscated obfuscation

Exits

Number of Exits

Unlock for free

Boris Jabes

has

obfuscation

exit -

Tobiko Data

Boris Jabes

has

obfuscation

exits. Their most notable exits are

Tobiko Data

and

Reflect

Tobiko Data Tobiko Data is a data infrastructure company provides solutions for data development.
Reflect Reflect is the data visualization platform for developers.

Jobs

Number of Current Jobs

Number of Past Jobs

Boris Jabes

has

current jobs as

Visiting Partner

Y Combinator

and

Managing Partner

Polynome

. Additionally,

Boris Jabes

has had

past jobs including

Founder, CEO

Census

Y Combinator Visiting PartnerNov 2025
Polynome Managing PartnerMay 2016

Organization Name	Title At Company	Start Date	End Date
Census	Founder, CEO	Mar 2018	Nov 2025
Meldium	Co-Founder, CEO	Jun 2012	2016

Board and Advisor Roles

Number of Current Board & Advisor Roles

Boris Jabes

is the

Mentor

METABRIDGE

METABRIDGE Mentor

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