Phia was founded by Sophia Kianni, Phoebe Gates.

Who are Phia's investors?

Phia's investors include Cold Start Ventures, Duke Capital Partners, Notable Capital, Scribble Ventures, Khosla Ventures, Kleiner Perkins.

Phia

70 employees · 6 known investors

Find your way into Phia

1,270 people in our graph share verified history with the Phia team — schools, employers, funds. One of them is your warm intro.

Paul Kwanunlockedknows Phoebe Gates · together at Stanford University (overlapped)

×3knows the team · via Stanford University

knows the team · via Phia

knows the team · via World Economic Forum

×2knows the team · via Lakeside School

×4knows the team · via Thomas Jefferson High School for Science and Technology

Phia is an AI shopping assistant that compares prices across the web and secondhand marketplaces so shoppers can build their closet at the best price.

Founders & leadership

Sophia Kianni inFounderSophia Kianni is co-founder of Phia, an AI shopping assistant that compares prices across web and secondhand marketplaces. She is a Stanford University graduate and previously founded Climate Cardinals, a youth-led climate nonprofit.

Phoebe Gates inFounderCo-founder of Phia, an AI shopping assistant for price comparison across retail and secondhand marketplaces. She also hosts The Burnouts podcast.

Investors · 6

Cold Start VenturesNew York

Duke Capital PartnersDurham

Notable CapitalSilicon Valley · $5M – $50M

Scribble VenturesPortola Valley · $750K – $1.5M

Khosla VenturesreportedMenlo Park · $5K – $50M

Kleiner PerkinsreportedMenlo Park · $500K – $15M

Founder mafia

4 people who came through Phia went on to found or lead other companies.

Sophia AmorusoInvestorFounded Nasty Gal Alexander TalamontiHead of OperationsFounded Quotain Shaurnav GhoshMachine Learning EngineerFounded Assemble Phoebe GatesCo-founderFounded Phia Holdings

In the news

'I have a chip on my shoulder.' Phoebe Gates wants her $185 million AI startup Phia to succeed with 'no ties to my privilege or my last name' | Fortunefortune.com · Aug 2026

Phoebe Gates’ Shopping App Said It Learned of the Problem in 24 Hours. Slack Says Seven Months.centraljersey.com · Aug 2026

Phoebe Gates’ Phia Says It Will Reverse Transactions After Report Challenges Its ‘24 Hours’ Explanation - AOLaol.com · Aug 2026

Phoebe Gates knew Phia shopping app took credit for sales it didn’t drive | Fortunefortune.com · Aug 2026

Phoebe Gates’ Shopping App Phia Responds to Accusations It Knowingly and Inaccurately Claimed Salespeople.com · Aug 2026

Phia Touted 11-Fold Revenue Growth. Now Reports Say Its Founders Knew It Was Claiming Sales It Didn't Driveinc.com · Aug 2026

Frequently asked questions

What does Phia do?: Phia is an AI shopping assistant that compares prices across the web and secondhand marketplaces so shoppers can build their closet at the best price.
Who founded Phia?: Phia was founded by Sophia Kianni, Phoebe Gates.
Who are Phia's investors?: Phia's investors include Cold Start Ventures, Duke Capital Partners, Notable Capital, Scribble Ventures, Khosla Ventures, Kleiner Perkins.