About
Derek Armfield founded Acrely, which builds custom enterprise voice agents for customer service, sales, and operations use cases.
Founder at AcrelyYC S25
Intro paths
YC
Derek went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Jon Xu, General Partner at Y Combinator — the partner who ran Acrely's batch and knows the company first-hand. YC profile ↗
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In turn, Derek can intro founders to Acrely's investors below.
Acrely's investors · 1
Co-founders at Acrely
AS
Alek StefanovFounder
Experience
- LupitorBuildercurrent2025 — present
- acrely (YC S25)Co-Foundercurrent2025 — presentSan Francisco, California, United States
- BenihanaTeppanyaki (Hibachi) Chef2023Pittsburgh
Frequently asked questions
- Who is Derek Armfield?
- Derek Armfield founded Acrely, which builds custom enterprise voice agents for customer service, sales, and operations use cases.
- Where does Derek Armfield work?
- Derek Armfield is Founder of Acrely.
- What companies did Derek Armfield found?
- Derek Armfield founded Acrely.
- Where did Derek Armfield go to school?
- Derek Armfield studied at Y Combinator (S25); Carnegie Mellon University (Bachelor's of Science in Artificial Intelligence and Mathematics (Double Major)); Community College of Allegheny County (Mathematics).
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
Carnegie Mellon University mafia231
Also came through, then founded or led a company.
Kai-Fu LeeResearch Computer Scientist / Assistant ProfessorFounded 01Lucy GuoComputer ScienceFounded Passes +1Joshua XuMaster's degreeFounded HeyGenWilliam GuttmanDistinguished Service Professor of Economics & Special Advisor to ProvostFounded CurvePoint +3Dr. Manu KumarBSFounded K9 Ventures +2Rodney BrooksResearch ScientistFounded Rethink Robotics +2
+ 224 more
Community College of Allegheny County mafia2
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 Carnegie Mellon University410
Kai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AILucy GuoCo-founder of Scale AI; founder & CEO of PassesJoshua XuCo-founder & CEO of HeyGenJavier SolteroSenior Venture Partner at Felicis VenturesAvi BharadwajInvestment Director at Intel CapitalOren EtzioniVenture Partner at Madrona Venture Group
+ 404 more