Meet the Improve Digital Management Team.


Learn more about our Founders and the professional background of our Management Team members.

Joelle Frijters, CEO & Founder

Joelle is CEO and co-founder of Improve Digital. She started the company having been a director at Microsoft Media Networks (NNM) EMEA, where she launched and oversaw Microsoft’s private ad network and solved the issue of the company’s unsold inventory. Prior to Microsoft, with support from Nickelodeon and Isobar, Joelle initiated one of the first social media start-ups, which was later sold to media giant, Sanoma. She worked at the head office of KLM Airlines, where she gained her first experience in yield management.

Janneke Niessen, CIO & Founder

Janneke is Chief Innovation Officer and co-founder of Improve Digital. She is the driving force behind the company’s 360 Platform. She is mentor at Startup Bootcamp and Board Member at IAB Europe. She is an angel investor, board member and regularly speaks at events about digital media and entrepreneurship. She started her career 15 years ago as online media director at the first Dutch online media agency. Janneke went on to co-found DQ&A – an ad operations company with worldwide offices. She is also author of, and contributor to books about online media and has lectured on the subject at Amsterdam and Leuven universities, and has been chairman of the taskforce automated trading of IAB.

PR Contact

Stephanie5 contact Stéphanie Magnan
Trade Marketing Manager
+31 202 620 277

Improve Digital
Van Diemenstraat 192
1013CP Amsterdam
Send an email



Find out more information about our Display Eco-System Map. Read more »



As one of the first players in real time supply Improve Digital is not only present as a reliable and valuable supply partner but also as an incubator for a better understanding of the complex real time advertising eco system

Spree 7 Thomas Kaczensky, COO, Spree 7

More testimonials »

Market Radar

Market Radar

Facebook   Twitter   LinkedIn