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SESEN.AI is a specialist AI consultancy founded by Dr Berkan Sesen, who brings 15+ years of experience building and scaling AI systems across financial services and healthcare.
Prior to founding SESEN.AI, Berkan held senior roles at UBS (Head of Algorithmic Execution & AI), JP Morgan Asset Management (Senior Quantitative Portfolio Manager), and Citigroup (Algorithmic Trading Quant), where he built ML-powered investment products managing over $2B in assets and led AI trading platform development. He holds a DPhil in Artificial Intelligence from Oxford University and was a visiting researcher at Stanford.
We work with organisations at the intersection of AI strategy and hands-on implementation, covering:
- AI strategy and roadmap development
- Machine learning and NLP system design and build
- LLM integration, RAG pipelines, and agentic architectures
- Algorithmic trading and quantitative modelling
- Data science and predictive analytics
- AI product development from concept to production
Our clients range from startups building their first AI product to established financial institutions looking to modernise their analytical capabilities. We also support venture-backed companies through technical due diligence and AI readiness assessments.
Berkan is an active startup mentor at Techstars and AI Forge, a published researcher with peer-reviewed papers in journals including the Journal of the Royal Society Interface and PLOS ONE, and co-inventor on US patent applications for ML-based investment methodologies. He has authored chapters in Wiley Finance publications and spoken at industry events including The AI Summit, Barclays European Quant Conference, and Neudata.
Recent work includes co-founding Tinie.ai (UKABIF Innovation Award winner, BGV accelerator graduate) and co-authoring research on generative models with collaborators from UCL and the Bank of England.
Based in London. Available for advisory, project-based, and fractional engagements.
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Min project size
$5,000+
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Hourly rate
$200 - $300 / hr
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Employees
2 - 9
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Year founded
Founded 2025
Service Lines
- AI Agents
- 25%
- AI Consulting
- 20%
- AI Development
- 20%
- Generative AI
- 20%
- Financial Consulting
- 15%
Select Focus Area
- AI Expertise
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- Machine Learning
- 25%
- Computer Vision
- 10%
- AI Agent Development Focus
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- AI Agent Frameworks
- 50%
- AI Agent Platforms & Builders
- 35%
- Voice AI Agents
- 15%
- AI Agent Purpose Focus
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- Finance AI Agents
- 40%
- Business Intelligence AI Agents
- 15%
- Personal Assistant AI Agents
- 15%
- Productivity AI Agents
- 15%
- Research AI Agents
- 15%
- AI Consulting Focus
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- AI Strategy
- 50%
- AI Deployment
- 25%
- AI Maturation
- 15%
- AI Platform Integration Focus
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- Google Workspace AI Integration
- 100%
- AI Technologies & Models
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- Open AI GPT-3
- 40%
- Anthropic
- 35%
- Stable Diffusion
- 25%
- Financial Consulting Focus
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- Generative AI Focus
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Industries
- Financial services
- 40%
- Medical
- 35%
- Information technology
- 25%
Clients
- Small Business (<$10M)
- 80%
- Midmarket ($10M - $1B)
- 20%
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Our Story
SESEN.AI was founded by Dr Berkan Sesen (DPhil, AI, Oxford) to bring investment bank-grade AI expertise to organisations that need senior hands-on delivery, not slide decks. We pair deep capability in ML, NLP, and agentic systems with commercial experience managing $2B+ in AI-driven assets. Principal-led: Berkan works directly on every engagement, supported by specialist associates from our research and engineering network as projects require.
What Sets Us Apart
Senior-led AI delivery, not outsourced juniors
Principal-led delivery by a DPhil-qualified AI specialist with 11+ years across Citi, JP Morgan, and UBS. We build and ship, not just advise.
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