About

An independent tech company facilitating mobile operators and connected companies
Roamsys was initially founded in Trier, Germany in 2007 and relocated to Luxembourg in 2013
In 2019 RoamsysNext went live: Diversifying the existing business and exploring new opportunities

Why RoamsysNext?

We support 10.000+ happy users

Exclusive GSMA RAEX supplier since 2009

All-inclusive Software-as-a-Service

Secure and ISO 27001 compliant hosting in Luxembourg

Extensive experience working with operator groups and roaming hubs

Superior service and competitive pricing

RoamsysNext offers the only GSMA-compliant hub solution on the market

All our applications are built with input from MNOs and MNO groups

Board of Directors

Michael Grasmück

CEO

Business development, expertise in the fields of SaaS business models, track record in developing and growing companies

Thorsten Kläs

CFO

Corporate finance / business law / corporate consultancy in IT and renewable energy, track record in developing and growing companies

Hendrik Hoehndorf

CTO

Telecoms professional with extensive experience in creating innovative and award winning software and services for mobile operators

Advisory Board

Gerrit Jan Konijnenberg

CHAIR

Global Telecoms Executive with an award-winning track record at Vodafone, Comfone, Comsys, Cellusys combined with Non-Executive roles at CDG, MEF and INSEAD

Stephen Brewer

VICE-CHAIR

Proven CEO and C level corporate Board executive for Vodafone, Telefonica, Orange France, Cable & Wireless and Digicel. Now an active Senior Consultant, Interim Advisor, coach/mentor and NED

Marcus Süllmann

BOARD MEMBER

International CFO recently at Vodafone’s global Roaming and Procurement companies. Formerly at DHL Express, Kellogg’s, Tetra Pak, Transcom and Ikano Group