Summit

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Summit

Summit

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Applied AI

Zara Haddad

Head of AI Product,

Halden

Halden

Halden

Halden

Amsterdam

Website

LinkedIn

Bluesky

Zara Haddad leads AI product at Halden, the customer support platform behind the help desks of around twelve thousand companies. She shipped Halden's first AI reply assistant in 2024 and has since taken it through two model changes, one public apology and a redesign that put support agents, not the model, back in charge of what customers see.

Zara trained as a linguist and worked on machine translation before moving into product, which left her suspicious of any demo that only works in English. She lives in Amsterdam Noord, commutes by ferry, and is learning to sail on the IJsselmeer with mixed results.

At Summit

craft-is-a-decision

Craft is a decision, not a department

1

09:30

10:15

Main Stage

Keynote

All levels

Design

design

2

Anika Sharma

Corvid's design team grew twentyfold in five years and the work got better. Anika Sharma opens Summit with the decisions that kept quality alive, and the ones that nearly didn't.

0

craft, critique, quality, design leadership

Anika Sharma

Corvid

anika-sharma

Chief Design Officer

1

agent-failures-we-did-not-test-for

Two million users, one agent: the failures we did not test for

1

10:30

11:10

Main Stage

Talk

Advanced

Applied AI

ai

1

Kenji Arai

Corvid's research agent passed every evaluation, then met two million real people. Kenji Arai on the failures no test suite caught, and the rollout system built in response.

0

agents, evaluation, rollout, incidents

Kenji Arai

Corvid

kenji-arai

Staff ML Engineer

8

three-migrations-we-regret

One database, four years, three migrations we regret

1

10:30

11:10

Studio

Talk

Intermediate

Engineering

engineering

3

Lucas Moreau

Halden moved from one large database to several smaller ones without downtime. Lucas Moreau on the three steps he would do differently, and the one he would repeat exactly.

0

databases, migrations, reliability, architecture

Lucas Moreau

Halden

lucas-moreau

Principal Engineer

11

prototype-with-real-data

Prototype with real data, not lorem ipsum

1

10:30

12:30

Lab

Workshop

Intermediate

Design

design

2

Hannah Berg

A hands-on workshop in building prototypes from real, messy data, so your designs meet long names, empty states and awkward numbers before your engineers do.

40

prototyping, real data, edge cases, accessibility

Hannah Berg

Kitebird

hannah-berg

Principal Product Designer

9

roadmaps-are-promises

Roadmaps are promises: how Orbital stopped breaking them

1

11:40

12:20

Main Stage

Talk

Intermediate

Product

product

4

Grace Liu

Orbital used to publish a quarterly roadmap and deliver half of it. Grace Liu on replacing it with a short list of commitments the company keeps, and what that did for trust.

0

roadmaps, planning, commitments, stakeholders

Grace Liu

Orbital

grace-liu

VP Product

3

research-that-changes-the-roadmap

Research that changes the roadmap, not just the deck

1

11:40

12:20

Studio

Talk

Intermediate

Design

design

2

Inês Carvalho

Plenty of research is presented and forgotten. Inês Carvalho on how Quill's research team made its findings hard to ignore, starting with a study of why learners quit in week three.

0

user research, retention, insights, research ops

Inês Carvalho

Quill

ines-carvalho

Head of Research

18

how-big-should-a-team-be

How big should a product team be now?

1

12:30

13:15

Main Stage

Panel

All levels

Leadership

leadership

5

Wei Chen

AI tools have changed what one person can build. A founder, an investor, an engineering director and a product leader on what that means for hiring, team shape and ambition.

0

team size, hiring, org design, ai tools

Grace Liu

Orbital

grace-liu

VP Product

3

Amara Boateng

Fernway

amara-boateng

Founder and CEO

6

Wei Chen

Halcyon Ventures

wei-chen

General Partner

7

Noah Whitaker

Monogram

noah-whitaker

Director of Engineering

13

lightning-small-bets

Lightning talks: small bets that paid off

1

12:30

13:10

Studio

Lightning

Intermediate

Product

product

4

Tomás Ferreira

Three quick talks on small product changes with outsized results: a changed default, a five-person test and a changelog people actually read.

0

experiments, quick wins, onboarding, changelog

Jonah Adeyemi

Stackwell

jonah-adeyemi

Developer Advocate

10

Tomás Ferreira

Arbor

tomas-ferreira

Product Engineer

14

Inês Carvalho

Quill

ines-carvalho

Head of Research

18

case-for-boring-architecture

Eight engineers, forty million requests: a case for boring architecture

1

14:30

15:10

Main Stage

Talk

Intermediate

Engineering

engineering

3

Daniel Reis

Stackwell serves forty million requests a day on a stack most teams would call dull. Daniel Reis on why that is a deliberate choice, and the three times it nearly wasn't.

0

architecture, monolith, reliability, small teams

Daniel Reis

Stackwell

daniel-reis

CTO

2

retire-the-feature

Retire the feature: what we learned removing a third of our product

1

14:30

15:10

Studio

Talk

Intermediate

Product

product

4

Elena Petrova

In one year Tidewater's collaboration products removed more features than they added. Elena Petrova on how they chose, how customers reacted, and what it did to support and speed.

0

deprecation, product strategy, simplicity, customer communication

Elena Petrova

Tidewater

elena-petrova

Group Product Manager

15

build-an-eval-suite

Build an evaluation suite for an LLM feature in two hours

1

14:30

16:30

Lab

Workshop

Advanced

Applied AI

ai

1

Elif Demir

Bring a feature that uses a language model and leave with an evaluation suite for it: real test cases, graded outputs and a score you can track from one model change to the next.

36

evaluation, llm, testing, python

Kenji Arai

Corvid

kenji-arai

Staff ML Engineer

8

Elif Demir

Tidewater Labs

elif-demir

Research Scientist

17

latency-is-a-design-material

Latency is a design material: interfaces for streaming models

1

15:20

16:00

Main Stage

Talk

Intermediate

Applied AI

ai

1

Omar Saleh

A model that takes eight seconds to answer is a design problem as much as an engineering one. Omar Saleh on AI interfaces that feel fast on slow phones and slower networks.

0

streaming, latency, performance, mobile

Omar Saleh

Lumio

omar-saleh

Frontend Architect

16

org-chart-decisions

The org chart decisions you cannot take back

1

15:20

16:00

Studio

Talk

Intermediate

Leadership

leadership

5

Noah Whitaker

Monogram's engineering team grew from twelve people to two hundred in four years. Noah Whitaker on the structural choices that were easy to change, and the few that were not.

0

org design, engineering management, career frameworks, on-call

Noah Whitaker

Monogram

noah-whitaker

Director of Engineering

13

trust-is-the-product

Trust is the product: two years of shipping AI to people who did not ask for it

1

16:30

17:20

Main Stage

Keynote

All levels

Applied AI

ai

1

Zara Haddad

Halden's AI assistant drafts replies for support agents at twelve thousand companies. Zara Haddad closes day one with what two years, two model changes and a public apology taught her about trust.

0

ai products, trust, human in the loop, customer support

Zara Haddad

Halden

zara-haddad

Head of AI Product

5

minutes-to-first-deploy

Developer experience is measured in minutes to first deploy

1

16:30

17:10

Studio

Talk

Intermediate

Engineering

engineering

3

Jonah Adeyemi

Stackwell cut the median time from sign-up to a working deploy from twenty-six minutes to four. Jonah Adeyemi on the measurement, eleven rewrites and the fixes that were not in the docs.

0

developer experience, documentation, onboarding, cli

Jonah Adeyemi

Stackwell

jonah-adeyemi

Developer Advocate

10

every-kilobyte-is-a-cost

Every kilobyte is a cost: designing for the next hundred million customers

2

09:30

10:15

Main Stage

Keynote

All levels

Product

product

4

Maya Okafor

Lumio serves three million small traders on low-cost phones and patchy networks. Maya Okafor opens day two with what designing under real constraints can teach every product team.

0

constraints, mobile, inclusive design, performance budgets

Maya Okafor

Lumio

maya-okafor

VP Design

4

we-deleted-our-spa

We deleted our single-page app and nobody noticed

2

10:30

11:10

Main Stage

Talk

Advanced

Engineering

engineering

3

Omar Saleh

Lumio replaced its dashboard's single-page app with server-rendered pages and small interactive islands. Omar Saleh on the migration, the numbers and the parts that were harder than expected.

0

performance, server rendering, javascript, migration

Omar Saleh

Lumio

omar-saleh

Frontend Architect

16

accessibility-debt-compounds

Accessibility debt compounds faster than technical debt

2

10:30

11:10

Studio

Talk

Intermediate

Design

design

2

Hannah Berg

Kitebird became the first Nordic ticketing app to pass a full accessibility audit. Hannah Berg on why fixing it late cost four times as much, and how to stop the debt building up again.

0

accessibility, audits, inclusive design, wcag

Hannah Berg

Kitebird

hannah-berg

Principal Product Designer

9

observability-from-zero

Trace a real request end to end: observability from zero

2

10:30

12:30

Lab

Workshop

Intermediate

Engineering

engineering

3

Lucas Moreau

A hands-on workshop in adding tracing, structured logs and useful metrics to a small but realistic app, then using them to find three bugs planted in it.

40

observability, tracing, opentelemetry, debugging

Lucas Moreau

Halden

lucas-moreau

Principal Engineer

11

design-systems-are-a-product

Design systems are a product, staff them like one

2

11:40

12:20

Main Stage

Talk

Intermediate

Design

design

2

Priya Nair

Northbeam's design system serves fourteen product teams with a team of nine. Priya Nair on running it with a roadmap, a support rota and adoption figures leadership actually reads.

0

design systems, adoption, components, staffing

Priya Nair

Northbeam

priya-nair

Design Systems Lead

12

your-evals-are-lying

Your evals are lying to you: measuring models on real work

2

11:40

12:20

Studio

Talk

Advanced

Applied AI

ai

1

Elif Demir

Public benchmarks say models are nearly perfect at analysis. A benchmark built from real company data says otherwise. Elif Demir on what it takes to measure models honestly.

0

evaluation, benchmarks, data analysis, measurement

Elif Demir

Tidewater Labs

elif-demir

Research Scientist

17

who-is-accountable

Who is accountable when the agent gets it wrong?

2

12:30

13:15

Main Stage

Panel

All levels

Applied AI

ai

1

Elena Petrova

AI agents now take actions, not just make suggestions. A product manager, an AI product lead, an ML engineer and a CTO on who owns the outcome when one of them makes a mistake.

0

agents, accountability, incidents, ai policy

Daniel Reis

Stackwell

daniel-reis

CTO

2

Zara Haddad

Halden

zara-haddad

Head of AI Product

5

Kenji Arai

Corvid

kenji-arai

Staff ML Engineer

8

Elena Petrova

Tidewater

elena-petrova

Group Product Manager

15

lightning-details

Lightning talks: the details that do the work

2

12:30

13:10

Studio

Lightning

Intermediate

Design

design

2

Hannah Berg

Four short talks on small interface details that carried more weight than anyone expected, from a loading state to a single line of microcopy.

0

microcopy, loading states, components, interface design

Hannah Berg

Kitebird

hannah-berg

Principal Product Designer

9

Priya Nair

Northbeam

priya-nair

Design Systems Lead

12

Tomás Ferreira

Arbor

tomas-ferreira

Product Engineer

14

Omar Saleh

Lumio

omar-saleh

Frontend Architect

16

what-investors-read

What investors actually read in your product metrics

2

14:30

15:10

Main Stage

Talk

Intermediate

Leadership

leadership

5

Wei Chen

Wei Chen has read hundreds of board decks. He explains which product numbers change an investor's mind, which get ignored, and why retention curves come before revenue.

0

fundraising, metrics, retention, boards

Wei Chen

Halcyon Ventures

wei-chen

General Partner

7

api-reference-is-onboarding

Your API reference is your onboarding: rewriting ours from scratch

2

14:30

15:10

Studio

Talk

Intermediate

Engineering

engineering

3

Jonah Adeyemi

Most developers meet your product through its API reference, not its homepage. Jonah Adeyemi on how Stackwell rebuilt its reference around tasks, examples and errors.

0

api design, documentation, developer experience, openapi

Jonah Adeyemi

Stackwell

jonah-adeyemi

Developer Advocate

10

discovery-sprint-in-an-afternoon

Run a discovery sprint in an afternoon

2

14:30

16:30

Lab

Workshop

Intermediate

Product

product

4

Inês Carvalho

A hands-on workshop that compresses product discovery into two hours: frame the problem, talk to real people, test a rough prototype and decide what to build next.

36

discovery, user interviews, prototyping, research

Elena Petrova

Tidewater

elena-petrova

Group Product Manager

15

Inês Carvalho

Quill

ines-carvalho

Head of Research

18

own-the-metric

Own the metric, not the ticket: notes from a product engineer

2

15:20

16:00

Main Stage

Talk

Intermediate

Product

product

4

Tomás Ferreira

At Arbor, engineers own outcomes rather than tasks. Tomás Ferreira on what that changes day to day, from talking to restaurant owners to deciding not to build what the ticket asks for.

0

product engineering, ownership, outcomes, small teams

Tomás Ferreira

Arbor

tomas-ferreira

Product Engineer

14

small-models-next-to-the-data

Small models next to the data: running inference in every customer's region

2

15:20

16:00

Studio

Talk

Advanced

Applied AI

ai

1

Lucas Moreau

Halden's European customers asked for their data to stay in-region. Lucas Moreau on swapping one large hosted model for small ones in six regions, and what it did to cost and quality.

0

inference, small models, data residency, infrastructure

Lucas Moreau

Halden

lucas-moreau

Principal Engineer

11

the-company-is-the-product

The company is the product too

2

16:30

17:25

Main Stage

Keynote

All levels

Leadership

leadership

5

Amara Boateng

Amara Boateng closes Summit 2027 with what building Fernway taught her: the way a company works is something you design, ship and maintain, just like its software.

0

leadership, culture, company building, founders

Amara Boateng

Fernway

amara-boateng

Founder and CEO

6

pricing-is-a-product-decision

Pricing is a product decision, so stop leaving it to finance

2

16:30

17:10

Studio

Talk

Intermediate

Product

product

4

Grace Liu

Orbital's prices used to be set in a spreadsheet once a year. Grace Liu on bringing pricing into the product team, and how a new model changed what customers used and what got built.

0

pricing, packaging, monetisation, product strategy

Grace Liu

Orbital

grace-liu

VP Product

3

Doors, badges and breakfast

1

08:30

09:30

Doors

Foyer

Coffee

1

11:10

11:40

Coffee

Foyer and terrace

Lunch on the river terrace

1

13:15

14:30

Meal

River terrace

Coffee

1

16:00

16:30

Coffee

Foyer and terrace

Riverside reception

1

18:30

22:00

Social

River terrace

Coffee and pastéis de nata

2

08:30

09:30

Doors

Foyer

Coffee

2

11:10

11:40

Coffee

Foyer and terrace

Lunch on the river terrace

2

13:15

14:30

Meal

River terrace

Coffee

2

16:00

16:30

Coffee

Foyer and terrace

Closing drinks

2

17:30

18:00

Social

Foyer

9–10 June 2027 · Armazém 7, Lisbon

See you by the river.

Early bird passes are €490 until 31 January. After that, €690.

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9–10 June 2027 · Armazém 7, Lisbon

See you by the river.

Early bird passes are €490 until 31 January. After that, €690.

Get tickets

See the schedule

Doors open in

--
Days
--
Hours
--
Min
--
Sec

9–10 June 2027 · Armazém 7, Lisbon

See you by the river.

Early bird passes are €490 until 31 January. After that, €690.

Get tickets

See the schedule

Doors open in

--
Days
--
Hours
--
Min
--
Sec
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