It's never too late
to be a rockstar

Our team

Loyalty Rockstars Customer Retention CRM Interim Team Wies Mensink

Wies Mensink

Founding Partner

Wies (1977), our founding partner, is a mom of three kids, fanatic gig-rower (Islands of Scilly), city-swimmer (Amsterdam, New York, Muiden) and kick-boxer. She had a fundamental position at the start of the renewed Bonuskaart concept of Albert Heijn. Her expertise’s are devising and creating broad? customer engagement and creating loyalty concepts. She has a lot of knowledge about MarTech therefore she is able to help with the newest insights and solutions. She has a background in retail and finance. Our dedicated business developer will assist you further with your engagement and loyalty issues.

Loyalty Rockstars Customer Retention CRM Interim Team Justin Tsen Hsiang

Justin Tsen Hsiang

Founding Partner

Justin (1979) is an experienced marketer and motivated entrepreneur with years’ of experience at different companies such as Albert Heijn, Route Mobiel, Pepsico and Yourzine. In his latest function at Albert Heijn he was responsible for the datadriven personal deals within the My Bonus loyalty program. As a business consultant at Yourzine he was responsible for the new loyalty program of Rituals, Samsung and the accounts Etos and Gall & Gall. His expertise’s are target marketing, data analytics and concept development.

Loyalty Rockstars Customer Retention CRM Interim Team Niels Costerus

Niels Costerus

MarTech It Consultant

Niels (1977) is an avid fan of TV-series, fitness, windsurfing, sailing and good food. He is project manager and MarTech specialist, before Loyalty Rockstars he gained 10 years of experience at Telegraaf Media Groep, Cadeaukaarten Nederland and The entertainment Group. He developed e-commerce solutions for companies such as Air Miles, Shell, De Telegraaf and the Nationale Bioscoopbon. Niels lives just outside of Amsterdam and is a father of three kids.

Loyalty Rockstars Customer Retention CRM Interim Team Rosa Vreeburg

Rosa Vreeburg

Jr. Project Manager

Rosa (1993) is Junior Project Manager at Loyalty Rockstars. She finished her study Applied Psychology in Amsterdam. During her study she focused on the commercial side of the psychology and gained experience in online marketing and PR. She loves to cook, likes boxing and wants to see much more of the world.

Loyalty Rockstars Customer Retention CRM Interim Team Merel Bulder

Merel Bulder

Intern Data & Marketing

Merel (1992) is intern at Loyalty Rockstars. She is almost done with her bachelor Business administration at the Rijksuniversiteit Groningen. During her study she developed an interest for data. The amount of knowledge from data makes her curious and enthusiastic. At Loyalty Rockstars she is focusing on data, but beside that she will help wherever necessary. In the weekends she likes to visit restaurants. But she also loves to cook at home with friends and discover new series.

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