Jan-Joost Rueb

eBuddy Holding BV provides online and mobile messaging services. Its eBuddy Chat is also available on mobile solutions for iOS, Android and mobile web-enabled devices. The company is headquartered in Amsterdam, the Netherlands.

Vortex Capital Partners BV (Vortex Capital) is a private equity firm founded in 2012. The firm is headquartered in the Netherlands.

Part of Doctolib SAS, Siilo BV is a secure medical messenger platform designed for healthcare professionals. The company is based in Amsterdam, Netherlands. Siilo Messenger allows easy exchange between medical professionals without risking patient data security. Siilo complies with GDPR and international security standards to protect patient data, ensure privacy, and protect personal messages, files, and photos. Siilo Messenger and Siilo Connect change internal communication in modern healthcare and promote collaboration across medical institutions. The Dutch company was founded in 2016 by Arvind Rao, Joost Bruggeman, Jan-Joost Rueb, Onno Bakker. Joost Bruggeman has been the CEO since 2016. Siilo was acquired by Doctolib SAS on March 02, 2023.

Part of Booking Holdings, Inc., eBuddy BV is a Dutch company that provides instant messaging services. The company is based in Amsterdam, the Netherlands. The company was founded by Jan-Joost Rueb, Paulo Taylor, Onno Bakker. eBuddy was acquired by Booking.com BV from eBuddy Holding BV on December 04, 2013.