# Oncel Cebeci

Product Leader, AI Systems & Design

oncelcebeci@gmail.com · Bangkok, APAC · https://www.oncelcebeci.com

## Summary

I turn ambiguous workflows, markets, and AI capabilities into products that ship.

Product leader and AI systems builder with 18+ years across brand, consumer products, enterprise platforms, and AI-first software. Designer at the core, with hands-on range across product strategy, roadmap shaping, GTM systems, analytics, agentic workflows, inference paths, backend logic, and cross-platform product surfaces. Building with ML/AI since 2019, before it became a default product layer.

## Career

- **2025-08** · Founded Tiny Things, an independent studio for AI-native and native software. · Bangkok
- **2019-07** · Joined 90 Seconds as Head of UX & Design. · Singapore
- **2016-03** · Joined Nimble, a product studio for startups and enterprise clients. · Bangkok
- **2015-08** · Independent product work for founders and small teams. · Bangkok
- **2015-04** · Joined BetBull as Senior Product Designer. · London
- **2014-05** · Joined Dwarf Planet, the team behind Bundle News. · Istanbul
- **2012-02** · Senior Art Director at Alafortanfoni. · Istanbul
- **2010-04** · Moved to Istanbul, joined DasIstanbul. · Istanbul
- **2008-09** · Started in Antalya, magazines and smaller local agencies. · Antalya

## Selected work

- **2026-04** · Manwe · Tiny Things (https://askmanwe.com)
  AI doesn't need better answers. It needs better disagreement.
- **2026-04** · Kiwa · Tiny Things · in progress (https://www.oncelcebeci.com/kiwa)
  A generative production studio for image, video, audio, and text.
- **2026-03** · NotchLive · Tiny Things (https://notchlive.app)
  Live captions for every Mac app. Private. On-device. In your notch.
- **2026-02** · NotchPad · Tiny Things (https://notchpad.app)
  Your private text inbox. One hover away.
- **2026-01** · Signal News · Tiny Things (https://apps.apple.com/app/signal-news/id6760105304)
  All the news that matters. Nothing else.
- **2025-04** · Content Manager · 90 Seconds (https://www.oncelcebeci.com/content-manager)
  One workspace for assets, comments, and approvals across creative teams.
- **2022-06** · 90 Seconds Rebuild · 90 Seconds (https://www.oncelcebeci.com/90-seconds-rebuild)
  Rebuilt a decade-old global video platform without breaking the customers who already trusted it.
- **2021-06** · Vavda · Independent (https://www.oncelcebeci.com/vavda)
  A call-center platform for analytics, voice review, and role-specific operations workflows.
- **2021-04** · Stella · Independent (https://www.oncelcebeci.com/stella)
  A first AI/ML interface for business data, built before the wave.
- **2019-09** · belowmrkt · Independent (https://www.oncelcebeci.com/belowmrkt)
  Adaptive property search that learned from how people browsed.
- **2019-06** · Braive · Nimble (https://www.oncelcebeci.com/braive)
  A mental health platform that stayed calm under clinical weight.
- **2019-05** · IceRed · Independent (https://www.oncelcebeci.com/icered)
  Event management platform for a Hong Kong startup, built in under three months.
- **2019-02** · Travelbook · Nimble (https://www.oncelcebeci.com/travelbook)
  Social travel platform that grew into planning, booking, and discovery without losing its community.
- **2018-09** · Yesmom · Independent (https://www.oncelcebeci.com/yesmom)
  A fertility and pregnancy companion that turned health data into daily reassurance.
- **2018-08** · Shop 99 · Independent (https://www.oncelcebeci.com/shop-99)
  Conversational commerce, before chat-as-interface was an idea.
- **2018-04** · Fineo · Nimble (https://www.oncelcebeci.com/fineo)
  A learning platform for finance, law, and business professionals.

## Practice

- Product strategy, roadmaps, GTM systems, and launch loops.
- Complex workflow design, platform UX, and enterprise product surfaces.
- Cross-functional leadership across design, engineering, data, and operations.
- Design at the core: interaction models, IA, design systems, research synthesis, prototypes, and usability review.

## AI product systems

- Agent orchestration, retrieval, memory, ranking, and evidence quality.
- Local and cloud inference, BYOK provider routing, and model selection.
- Human-in-the-loop review, confidence, dissent, and audit trails.
- On-device AI with MLX-Swift, Apple Foundation Models, llama.cpp, CoreML/WhisperKit, NLEmbedding, and DBSCAN.

## Build

- Frontend: React, Next.js, Astro, TypeScript, modern CSS, SwiftUI, AppKit.
- Backend/data: Node.js, Python, MongoDB, Postgres, Redis, SQLite/FTS5, GRDB, SwiftData, CloudKit.
- AI/data: on-device RAG, Knowledge Memory, source/evidence indexing, inference routes.
- Product infrastructure: billing hooks, licensing, analytics, internal tooling, and GTM surfaces.

## Education

- Trakya University, Radio & Television (BA), 2010

## Languages

Turkish (native), English (full professional), Vietnamese (basic)

## Elsewhere

- LinkedIn: https://www.linkedin.com/in/oncelcebeci/
- GitHub: https://github.com/lemberalla
- X: https://x.com/oncelcebeci
- Behance: https://www.behance.net/lemberalla
- Studio: https://tinythings.app
