Tiledmedia’s Founders combine over 70 years of experience in inventing, developing and deploying state-of-the-art media delivery technologies, working for telcos, R&D organizations, Silicon Valley companies and a number of start-ups.


Areas of expertise include efficient streaming, broadcast systems, fixed and wireless networks, tight media synchronization, digital rights management,  satellite broadcast, and much more. We have been – and still are – the driving force behind key specs specs in 3GPP, MPEG, IETF, HbbTV and DVB, and have participated in many collaborative research projects.

Frits Klok

Founder & CEO

Frits is responsible for the strategic course and the operational day-to-day running of Tiledmedia. He is an experienced operational and change manager with a background in the media and networking industry. Tiledmedia is his second start up; Frits founded a start-up in the satellite space in Sydney in the mid 00’s.

Ray van Brandenburg

Founder & CTO

Ray is responsible for the overall technology direction and architecture of our ClearVR products. In addition, he leads the development of ClearVRCore, the underlying basis of our client-side SDKs. Before founding Tiledmedia, he developed world’s first Tiled Streaming solution back in 2010. Ray is active in the standardization of different media technologies, with several IETF RFCs on CDN technology, adaptive streaming and media synchronization on his name, and actively contributing to MPEG standards. Ray holds over 30 patents.

Rob Koenen

Founder & CBO

Rob is a media research manager with 25+ years of experience and many national and international leadership positions. He has a huge network in the media industry, which he uses for Tiledmedia Business Development. He is one of the Founders and the President of the VR Industry Forum. Rob guided the market adoption of MPEG/ITU AVC as Founder and President of the MPEG Industry Forum. He currently co-leads MPEG’s VR activities. Rob is also affiliated with TNO, the cradle of Tiledmedia’s tiled streaming technology, as Principal working in Media Networking.

Arjen Veenhuizen

Founder & COO

Arjen runs Tiledmedia’s operations, is responsible for the design and implementation of the cross-platform client software development kits. Furthermore, he manages Tiledmedia’s employees. Before founding Tiledmedia, he was a key member of the team that developed TNO’s Tiled Streaming technology, and he is a skilled expert in heterogeneous media synchronization. He was the architect and main developer of the “NUlive” live streaming platform, which he created together with Ray. Arjen loves interacting with his colleagues and customers.

Randolf Nijsse


Randolf is Tiledmedia’s Chief Investment Officer: a deal maker and investment expert with a telecommunications background with over 15 years experience in the mobile, fixed and satellite communication industries. Randolf is active in the fields of corporate development, corporate strategy, M&A, financial advisory, and equity & debt financing.

Liron Levy

Software Developer

Liron is Tiledmedia’s C expert. He’s currently working on Tiledmedia’s PC SDK to make sure ClearVR runs on Oculus Rift, HTC Vive and Microsoft Mixed Reality HDMs.

Dr. Britta Meixner

Data Scientist

Britta is Tiledmedia’s data expert, with a background in hardcore math. She develops new algorithms for Tiledmedia’s products and adds more intelligence into Tiledmedia’s VR streaming products and services.

Fabien Cheftel

Unity Developer

Fabien is our Unity Wizard. working on making He makes our demo apps look great and works on Unity programming in general.

Dr. Xavier Corbillon

Projections and algorithms

Xavier is our expert on VR projection and streaming methods. His doctoral thesis was on the subject and now he is helping Tiledmedia to improve the algorithms we use to encode, package and stream high quality VR. His GPU coding skills are already legendary.

Tim Hoogstrate

iOS developer

Tim is our expert on all things iOS. He is developing Tiledmedia’s Software Development Kit for Apple devices like the iPhone and iPad. He owns a company called Incredapple that has produced some really cool apps like Ritty, but now he works on the coolest of them all:  ClearVR for iOS!