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Zahir Dossa

Founder

CEO at Function of Beauty · Founder at Function

United States

FoundedFunctionFunction of Beauty · YC

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About

MIT graduate and engineer Zahir Dossa co-founded Function of Beauty with fellow MIT graduate Josh Maciejewski and cosmetic chemist Hien Nguyen to produce customized hair care products at scale using algorithm-based formulation.

CEO at Function of BeautyYC W16

Intro paths

YC

Zahir went through Y Combinator (Winter 2016) — any YC alum in your network can reach them through the YC community.

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In turn, Zahir can intro founders to Function of Beauty's investors below.

Function of Beauty's investors · 14

ATEL VenturesSan FranciscoBessemer Venture PartnersSan Francisco · $50K – $100M checksBullishNew York · $500K – $3M checks · since 2017CircleUpSan Francisco · $1M – $5M checks · since 2020Crystal Towers CapitalMountain ViewEQUIAMSan Francisco · $1M – $10M checksGGV CapitalMenlo Park · since 2020Granite AsiaSingapore · $5M – $25M checks · since 2020L CattertonGreenwich · $100M – $200M checks · since 2020Notable CapitalSilicon Valley · $5M – $50M checksSoGal VenturesNew York · $50K – $500K checks · since 2017SQN Venture Partners, LLCCharlestonUncommonTorontoY CombinatorSan Francisco · $500K checks · since 2016

Co-founders at Function of Beauty

HKHien Kaplan
Hien KaplanChief Scientist
JMJoshua Maciejewski
Joshua MaciejewskiCOO
HN
Hien NguyenFounder

Founder at Function

Intro paths

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In turn, Zahir can intro founders to Function's investors below.

Function's investors · 10

Alumni VenturesManchester · $100K – $10M checks · since 2025Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2025Battery VenturesBoston · $500K – $100M checks · since 2025FirstMark CapitalNew York · $500K – $8M checks · since 2025General CatalystSan Francisco · $30M checksMenlo VenturesSan Francisco · $1M – $20M checks · since 2025NFDGWilmington · since 2025Peterson VenturesSalt Lake City · $250K – $2.5M checksRedpoint VenturesWoodside · $100K – $10M checks · since 2025Todd and Rahul’s Angel FundSan Francisco · $300K – $500K checks · since 2025

Frequently asked questions

Who is Zahir Dossa?
MIT graduate and engineer Zahir Dossa co-founded Function of Beauty with fellow MIT graduate Josh Maciejewski and cosmetic chemist Hien Nguyen to produce customized hair care products at scale using algorithm-based formulation.
Where does Zahir Dossa work?
Zahir Dossa is Founder of Function and CEO at Function of Beauty.
What companies did Zahir Dossa found?
Zahir Dossa founded Function, Function of Beauty.

Founder mafias

Function mafia2

Also came through, then founded or led a company.

Zach LipsonFounderFounded Dutchie

About this profile. Compiled from public sources — Function of Beauty's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights