Where does Nathan Borshell work?

Nathan Borshell is Founder of tash.

Where did Nathan Borshell go to school?

Nathan Borshell studied at Y Combinator; University of California, Berkeley; UC Berkeley College of Computing, Data Science, and Society.

Nathan Borshell

Founder

Founder at tash

San Francisco, California, United States

Foundedtash · YC

Find your path to Nathan

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

Troy PhoaunlockedNathan: together at UBS (2025)

×4Nathan: together at UBS

Nathan: together at Barclays

×6Nathan: together at Loyola High School of Los Angeles

About

Co-founder of tash, a brokerage-style investment platform for trading graded trading cards held in registered vehicles with vaulted custody. He previously worked at UBS Global Markets and Seso, and studied Economics and Data Science at UC Berkeley.

Founder at tash YC S26

Intro paths

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

Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran tash's batch and knows the company first-hand. YC profile ↗

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In turn, Nathan can intro founders to tash's investors below.

tash's investors · 1

Y CombinatorSan Francisco · $500K checks · since 2026

Co-founders at tash

John OhannesianFounder

Victor ShammasFounder

Nicolas SharmaFounder

Experience

tashCo-Foundercurrent2026 — presentSan Francisco, CA
Barclays Investment BankIncoming Investment Banking Summer Analyst2025 — 2026New York, NY
UBSGlobal Markets Summer Analyst2025New York, New York, United States

Frequently asked questions

Who is Nathan Borshell?: Co-founder of tash, a brokerage-style investment platform for trading graded trading cards held in registered vehicles with vaulted custody. He previously worked at UBS Global Markets and Seso, and studied Economics and Data Science at UC Berkeley.
Where does Nathan Borshell work?: Nathan Borshell is Founder of tash.
What companies did Nathan Borshell found?: Nathan Borshell founded tash.
Where did Nathan Borshell go to school?: Nathan Borshell studied at Y Combinator; University of California, Berkeley; UC Berkeley College of Computing, Data Science, and Society.

Founder mafias

Y Combinator mafia10,230

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3 Garry TanPresident & CEOFounded Y Combinator +1 Jessica LivingstonCo-founderFounded Y Combinator Alexis OhanianPartnerFounded Reddit Fred EhrsamYC Summer 2012Founded Nudge +1 Matt HuangYC Winter 2011Founded Paradigm +1

+ 10,223 more

Barclays mafia122

Also came through, then founded or led a company.

Max AhrensSummer AnalystFounded Maihem +2 Michael AndersonInvestment Banking Summer AnalystFounded Framework Labs +1 Diego OppenheimerAssociateFounded Guardrails AI +1 Aditya KandoiManagerFounded Redcliffe Lifetech +1 John ZucchiSummer Legal AnalystFounded Agave +1 Chang SheVice PresidentFounded Datapad +1

+ 115 more

UBS mafia80

Also came through, then founded or led a company.

David SchilanskyM&A associateFounded One Biosciences +2 Tatsuro KoyamaExecutive DirectorFounded Pocket Menu +1 Vlad IlyushchenkoCash Equities Order Management DeveloperFounded QuestDB +1 Kevin ZhangWealth Management InternFounded Cohesive +1 Shiliang TangElectronic Volatility Trading (Proprietary Trading Group)Founded Monarq +1 Darwish GaniInvestment Banking Summer AnalystFounded Openborder +1

+ 73 more

Loyola High School of Los Angeles mafia10

Also came through, then founded or led a company.

Chris AguasFounded Acumatica +1 Matt BrownFounded Bonsai Steven ArellanoHigh School DiplomaFounded Wafer Alejandro SalinasFounded Locata Michael GuirguisFounded Seso John OhannesianFounded tash

+ 3 more

UC Berkeley College of Computing, Data Science, and Society mafia7

Also came through, then founded or led a company.

Arnav JainBachelor of Science - BSFounded Rovr Adam AlSayyadBachelor's degreeFounded Cascade Kyle ChangBachelor's degreeFounded CentralComs Victor ShammasFounded tash Nicolas SharmaBachelor of Arts - BAFounded tash Aarin JhaveriData ScienceFounded Kara

Same school

Also attended Y Combinator2,000

Tarek MansourCo-founder & CEO of Kalshi Suhail DoshiFounder of Mixpanel; founder of Particle Subomi OluwalanaCo-founder & CEO of Convoy Arhaan A.Deeptech Fellow at Clear Ventures Collin WallaceGeneral Partner at Lobby Capital Victor SantosVictor Scout at One Way Ventures

+ 1,994 more

Also attended University of California, Berkeley2,000

Steve WozniakCo-founder of Apple Tony XuCo-founder & CEO of DoorDash Aravind SrinivasCo-founder & CEO of Perplexity AI Ali GhodsiCo-founder & CEO of Databricks Abraham BachrachCo-founder & CTO of Skydio Trevor OelschigInvestment Team at General Catalyst

+ 1,994 more

Also attended UC Berkeley College of Computing, Data Science, and Society8

Arhaan A.Deeptech Fellow at Clear Ventures Arvind VivekanandanScout at LvlUp Ventures Arnav JainFounder at Rovr Adam AlSayyadFounder at Cascade Kyle ChangFounder at CentralComs Victor ShammasFounder at tash

+ 2 more

Also attended Loyola High School of Los Angeles24

Brian Bustamante-NicholsonPartner at Greycroft Omar Njie, MDPrincipal at AlleyCorp Andy PerilleVice President at Archer Capital Group Ryan RoddyInvestor at Seaside Ventures Matt BrownPartner at Matrix Partners Lucas MannManaging Partner at Acre Venture Partners

+ 18 more

Shared employers

Also worked at tash3

John OhannesianFounder at tash Victor ShammasFounder at tash Nicolas SharmaFounder at tash

Also worked at Barclays Investment Bank476

David Clark GuillermoInvestments at Impact America Fund Thomas RubensInvestor at DN Capital Kerry WongHead of Investor Relations at Pantera Capital John McCulloughInvestor at OpenView Venture Partners Vinnie McSweeneyInvestor at OpenView Venture Partners David ParraData Quality & Project Engineering Manager at Inveready Technology Investment Group

+ 470 more

Also worked at UBS1,110

Vlad YatsenkoCo-founder & CTO of Revolut Jen WangDeal Operations Manager at Felicis Ventures Martin MignotInvestor at Index Ventures BirgitteInvestor at Investinor Sauvanne Saint-LégerInvestor at Daphni Elena PantaziPartner & Head of Platform at Northzone

+ 1,104 more

Find your path to Nathan

About

Founder at tashYC S26

Intro paths

tash's investors · 1

Co-founders at tash

Experience

Frequently asked questions

Founder mafias

Y Combinator mafia10,230

Barclays mafia122

UBS mafia80

Loyola High School of Los Angeles mafia10

UC Berkeley College of Computing, Data Science, and Society mafia7

Same school

Also attended Y Combinator2,000

Also attended University of California, Berkeley2,000

Also attended UC Berkeley College of Computing, Data Science, and Society8

Also attended Loyola High School of Los Angeles24

Shared employers

Also worked at tash3

Also worked at Barclays Investment Bank476

Also worked at UBS1,110

Founder at tash YC S26