About
Rok Gregorič has spent 15 years developing applications for the Apple ecosystem (iOS, iPadOS, watchOS, macOS) across 30+ companies, and co-founded the startups Closer and Layer.
Founder/CTO at DubjoyYC S11
Intro paths
YC
Rok went through Y Combinator (Summer 2011) — any YC alum in your network can reach them through the YC community.
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In turn, Rok can intro founders to Dubjoy's investors below.
Dubjoy's investors · 1
Co-founders at Dubjoy
RF
Robert FarazinFounder
MR
Miha RebernikFounder/CTO
Experience
- Astra AIMobile Engineercurrent2025 — presentLjubljana, Slovenia
- RLabs d.o.o.Foundercurrent2025 — presentLjubljana, Slovenia
- AKRO-in. d.o.o.Co-Foundercurrent2008 — presentKoper, Slovenia
- ClickUpStaff Engineer2024 — 2025
- CloserCo-Founder and CTO2021 — 2024
- OpendooriOS Engineer2021 — 2022
- RedDooriOS Engineer2019 — 2021
- LayerCo-Founder and Frontend iOS Engineer2013 — 2014San Francisco Bay Area
- dubjoy.comCo-Founder and CTO2012 — 2013San Francisco Bay Area
- DoubleRecallCo-Founder and CTO2010 — 2012Palo Alto, New York, San Francisco
- mmatcherCo-Founder and CTO2009 — 2011Celje, Slovenia
- AGB Lab d.o.o.Software Engineer2009 — 2010Lucija, Slovenia
- Atol Business Solutions Ltd.Consultant2008 — 2009Ljubljana, Slovenia
- Beyond SemiconductorSoftware and Firmware Engineer2006 — 2008Ljubljana, Slovenia
Skills & more
Web Development22Entrepreneurship13Software Development30Front-end7Mobile Applications18Programming11OOP2iPhone30Git19JavaScript17Python9CSS5
+4 more
iOSHTML 5jQuerySubversionFrom Rok's professional profile.
Frequently asked questions
- Who is Rok Gregorič?
- Rok Gregorič has spent 15 years developing applications for the Apple ecosystem (iOS, iPadOS, watchOS, macOS) across 30+ companies, and co-founded the startups Closer and Layer.
- Where does Rok Gregorič work?
- Rok Gregorič is Founder/CTO of Dubjoy.
- What companies did Rok Gregorič found?
- Rok Gregorič founded Dubjoy.
- Where did Rok Gregorič go to school?
- Rok Gregorič studied at Y Combinator (Summer 2011 batch); University of Ljubljana (B.Sc., Computer and Information Science); Gimnazija Piran.
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
ClickUp mafia5
Also came through, then founded or led a company.
University of Ljubljana mafia5
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
Also attended University of Ljubljana13
Mojca SkoberneEntrepreneur in Residence at GV (Google Ventures)Jan KoblerManaging Partner at South Central VenturesTina KastrevcAssociate at South Central VenturesFabian LeipeltPrincipal at WestTech VenturesCosmin OchisorPartner at GapMinderJure MikuzManaging Partner at South Central Ventures
+ 7 more
Shared employers
Also worked at ClickUp11
Michael RobinsonInvestor at Craft VenturesDan MoorInvestor at Craft VenturesAlex ClaytonPartner at Meritech Capital PartnersVardhan DharnidharkaInvestor at Stellaris Venture Advisors 2 LlpAaron CortOperating Partner, Marketing & Growth at Craft VenturesIvan KanevskiFounder/CEO at Slapdash
+ 5 more