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Upstream Festival
21-05-2026
Van Nelle Fabriek

Speakers

Below you'll find who will be speaking and hosting workshops at Upstream 2026. We are adding new ones on a regular basis. Stay tuned for more...

Arosha Brouwer
Chief Impact Officer TrueTribe
Speaker
She founded and led Quan, a Y Combinator–backed company that raised over €3M and partnered with global enterprises, before its acquisition by TrueTribe.
Matthijs Welle
CEO Mews
Speaker
12 years in scaling from zero to unicorn: Mews supports hotels and hospitality businesses in 85 countries, with 12,500 customers live on the platform.
Melissa Ablett-Jordaan
Founder Sibyl
Speaker
Melissa Ablett-Jordaan is an event host, moderator, and growth-focused executive working at the intersection of innovation, entrepreneurship, and women’s health.
Siete Hamminga
CEO Robin Radar Systems
Speaker
Siete founded several high tech companies, before spinning out TNO radar technology into a commercial venture in 2010, Robin Radar. He has grown the firm to 250+ staff and €100M+ turnover.
Nina Orlic
Attorney at law (counsel) Windt Le Grand Leeuwenburgh
Workshop host
Nina Orlić is counsel at Windt Le Grand Leeuwenburgh, specializing in privacy/GDPR and cybersecurity law. Legal 500 recognizes her as a Leading Associate in this field the Netherlands (2023 and 2025).
Thijn van Helvoirt
Speaker
Tech founder turned VC Partner at No Such Ventures, investing in Europe’s most promising software-first startups. He previously raised €15m in equity for mobility tech company Check.
Maud Vermeulen
VC investor at Golden Egg Check
Workshop host
Maud is a VC investor at Golden Egg Check, investing in pre-seed and seed B2B software startups. She combines founder support with an active role in investment decision-making.
Pieter Aarts
COO Embion
Workshop host
Throughout his career he has held executive leadership roles in technology companies, led a publicly listed company & founded and scaled a Start-Up company to more than 500 employees.
Paul Musters
Workshop host
Psychologist and founder of emaho who works with founders, leadership teams, and investors (before they invest in a team) on understanding what really drives growth in startups and what holds it back.
More speakers to come
We are adding speakers and workshop hosts regularly. Stay tuned
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