Petri Lahdelma
Petri Lahdelma portrait

Petri Lahdelma is a Design Systems Lead and founder focused on shipping production-grade systems, AI workflows and adoption loops that stick.

Previously Design System Lead at SAP Build Apps. Built governance, component contracts and decision records to reduce drift.

From Turku, based in Helsinki, Finland.

Design x AI

Design systems, governance and AI workflows that ship.

I build the spine: tokens -> components -> patterns -> governance -> adoption. AI accelerates the workflow; quality and accessibility stay non-negotiable.

Start hereView workGet the Adoption Playbook
ABB
Aalto
DNA
Elisa
Alma
A-lehdet
Metso
Nordea
OP
Fiskars
Enerkey
Finnair
Nokia
Kesko
Intrum
Kone
SAP

Selected projects

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Writing

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Receipts

  • Scaled design systems

    Tokens -> components -> governance for enterprise teams.

  • AI workflow acceleration

    Prototyping and delivery speed without losing craft.

  • Shipped products

    From research to production with measurable outcomes.

  • Speaking + teaching

    Workshops and talks that make teams move faster.

Focus

  • Systems thinker: tokens to components to governance.
  • AI as workflow acceleration, not a gimmick.
  • Accessibility and quality as defaults.

Availability

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All audiences
Recruiter
Senior leadership across design systems, DesignOps and adoption.
Senior leadership: DS + DesignOps + adoption
  • Senior leadership: DS + DesignOps + adoption
  • Evidence-first case studies (no fluff)
  • Can operate across design + engineering
Open
Engineering
Contribution model, DX and governance that does not slow shipping.
Clear contribution model + developer DX
  • Clear contribution model + developer DX
  • Figma<->React alignment that reduces churn
  • Governance that does not slow shipping
Open
Design leadership
Quality + consistency at scale, with adoption loops that work.
Quality + consistency at scale
  • Quality + consistency at scale
  • Adoption loops that work in reality
  • Accessibility as default
Open
Founders
Reduce product entropy early and ship reusable foundations fast.
Reduce product entropy early
  • Reduce product entropy early
  • Build reusable UI foundations fast
  • AI-assisted workflow acceleration (with guardrails)
Open

Flagship case study

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Case study
design systems
Design system bridge: Figma <-> React/TS
Built a contract-driven system that aligned Figma and React/TS across multiple teams.
GovernanceReact/TSAdoptionTokens
  • Reduced UI drift by enforcing a single component source of truth
  • Increased dev velocity by stabilizing component APIs + documentation
  • Improved a11y baseline via baked-in patterns and review loops
Skim in 60sReceipts included

Pillar essays

All writing
Design systems that ship
Contracts, tokens and governance that teams actually use.

Essays

Tools

Proof

Browse pillarOpen toolbox
Governance and adoption
Release discipline, decision rights and adoption loops.

Essays

Tools

Proof

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AI-assisted DesignOps
Automation with guardrails and measurable quality.

Essays

Tools

Proof

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Accessibility as default
Inclusive defaults that reduce rework and risk.

Essays

Tools

Proof

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Toolbox

All resources
Design System Adoption Playbook (2026)
A practical playbook for driving adoption without slowing shipping.
Open
Governance Pack: RACI + RFC template + release checklist
The minimum governance that keeps velocity without chaos.
Open
Figma<->React Alignment Handbook
Component contracts and naming rules that reduce churn.
Open

If you need a systemic design leader

Fewer one-off solutions, more compounding velocity. Let's scope it.

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