Meet Our Ambassadors

Jan Willem van Boeckel


As founder and former CCO of Treatwell, the leading global beauty services marketplace, mastered how to scale a company from scratch to a successful exit (Recruit), 150 FTE in multiple countries in just 2,5 years.

Additionally, a proven track record in growing sustainable business results and brands (Oral-B, Braun, Gillette, Ola) at blue chip companies (P&G, Unilever and Philips) in both global and local commercial, business and marketing roles.

Particular strong in strategy development, drive for results, execution and building organizational capabilities.

Martijn Lopes Cardozo


Entrepreneur and senior executive experienced in starting and managing fast growing businesses or transforming and accelerating existing business. Proven track record in setting strategy and then leading teams to deliver profitable growth, both organically and through acquisitions. Ability to inspire colleagues and communicate company vision with customers and partners. Extensive work experience both in the US as in Europe.

Specialities: circular economy, digital strategy, corporate development and M&A, analytics and big data; lead generation, sales, product management,(local) digital advertising, radio, television and mobile markets, investing, organisational transformation

Joelle Frijters


She co-founded Improve Digital, a global SAAS platform/ market place in the digital media space with data and AI at the heart of it. Improve Digital was sold to Swisscom in 2016. Before Improve Digital she held international positions at large corporates such as Microsoft and KLM.

Joep Ketelaar


Joep Ketelaar is co-founder of Improveline in the UK. Improveline started out as an online matching service for homeowners and contractors, and turned into a 400-strong insurance repairs business. The company was sold to Homeserve in 2005.

Next, Joep joined Funda, the #1 Dutch property portal, as CEO, after which he returned to early stage tech ventures, in education, inflight entertainment and property.

Joep is also a mentor at YES!Delft, the tech incubator.

Martine Meijburg


I’m an (exit) entrepreneur and digital (social) marketing strategist.

In 2013 I founded Second Degree, one of the fastest growing digital agencies in 2016 (Silver FD Gazellen Award).

Second Degree was acquired by Dept (2016), an international agency with over 1.500 experiences thinkers and makers.

In early 2020 Dept switched owners and I exited the company. Furthermore I’m a published author, public speaker and I am currently enjoying a sabbatical to explore my next play and to write a book.

Jeroen van Vliet


Co-founder of StartReady, a Microsoft Unified Communications Specialist sold to KPN in 2018.

Jeroen has a strong background in software development and building teams around it. Worked for Microsoft and several other IT Companies in the Netherlands.

Robert Jan van Vugt


Robert Jan spent the last years as Operational and Program Director at YES!Delft, one of the largest tech incubators of Europe. In this role he has coached and trained hundreds of deeptech startups and scaleups in different industries. He also set up multiple corporate – startup programs with the likes of Shell, DSM and Kubota. Before YES!Delft he had various management roles at EternalsunSpire, a deeptech startup in solar measurement equipment with offices in Boston, Shanghai and The Hague.

He is experienced in public/private partnerships, community/ecosystem growth and training and coaching. Robert Jan is based in Sweden. 

Are you interested in becoming an Ambassador?