STU-OSThe Studio

Engineers, not consultants.

Ptimz is a research-led AI engineering studio. Our team has shipped production intelligence at OpenAI, Stripe, Anthropic, DeepMind and Scale — and now does it for the world's most ambitious enterprises.

Engagement signals
Live
27
AI engineers
9
Research scientists
38
Countries served
6y
Avg. ML tenure
Operating principles

Six principles. One way of working.

These are the non-negotiables that show up in how we scope, ship and hand over every engagement.

PR-01

Engineers, not consultants

Every engagement is led by a shipping engineer. No slide-only deliverables, ever.

PR-02

Production or it didn't happen

Every project lands telemetry, eval harnesses and on-call ownership — not just demos.

PR-03

Research as a function

Internal labs evaluate every frontier model release. The bar moves; the work moves with it.

PR-04

Customer co-ownership

We embed inside your teams, transfer knowledge, and leave behind systems your engineers can extend.

PR-05

Compliance as a first-class citizen

SOC 2, ISO 27001, HIPAA, GDPR and EU AI Act controls live in the architecture, not in a binder.

PR-06

Compounding outcomes

We optimize for second-derivative improvements — programs that get better as they run.

The team

Built for production AI.

3
Founders
Prior leadership at OpenAI, Stripe and Anthropic.
27
AI engineers
Median 6 years shipping production ML.
9
Research scientists
Publications at NeurIPS, ICML, EMNLP.
8
Solutions architects
Embedded leads inside every engagement.
— Senior bench

Meet the engineers behind the work.

Every engagement is led by a named senior engineer or researcher — the same people you'll meet on the intro call are the ones who ship.

01 / 06
AV

Aris Vance

Founder & Principal Engineer

Former ML lead at OpenAI. Shipped retrieval and agentic systems used by 40M+ users.

AgentsRAGEval
LondonOpenAI · Stripe
02 / 06
MK

Mira Köhler

Head of Research

Ex-DeepMind research scientist. NeurIPS and ICML publications on alignment and evaluation.

AlignmentLLMsResearch
BerlinDeepMind · ETH
03 / 06
DO

Daniel Okafor

Head of Solutions

Former Anthropic solutions architect. Embedded inside Fortune 100 deployments worldwide.

ArchitectureStrategyDelivery
New YorkAnthropic · Scale
04 / 06
YT

Yuki Tanaka

Principal Data Scientist

Built forecasting and pricing engines for global FinTechs. PhD, Statistical Learning.

ForecastingMLPricing
SingaporeTwo Sigma · MIT
05 / 06
SM

Sofia Marchetti

Head of Generative Search

Architect of the GEO Framework. Eight years across SEO, semantic graphs and retrieval.

GEOSemanticGraphs
LondonGoogle · Algolia
06 / 06
RC

Rahul Chandra

Head of Platform

MLOps, eval harnesses and on-call ownership across every production system we ship.

MLOpsInfraReliability
BerlinDatabricks · Stripe
Milestones

A short, deliberate story.

2022
Studio founded
Three operators set out to build AI as a craft, not a deck.
2023
First Fortune 100
Shipped the first multi-agent system inside a global FinTech.
2024
GEO Framework
Released the Generative Engine Optimization framework with eight design partners.
2025
Global team
Expanded across London, New York, Berlin and Singapore.
2026
Twenty-seven
Active engagements across nine industries and thirty-eight countries.
Where to next

Pick a thread to pull.

Engagement

Talk to the team.

A 30-minute working session with a senior engineer. No slides, no sales — a working conversation about your highest-leverage AI surface.