
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?
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
Management Team

Norbert Becker
HEAD OF SOFTWARE DEVELOPMENT

David Houstek
HEAD OF PRODUCT MANAGEMENT

Dr. Andreas Gniffke
HEAD OF CLIENT SERVICES AND MARKETING

Johannes Kaiser
HEAD OF BUSINESS DEVELOPMENT AND SALES
Sales Team

Mihai Luca
BUSINESS ANALYST

Ema Proda
BUSINESS CONSULTANT

Joshua Odoteye
BUSINESS CONSULTANT

Tom Posti
BUSINESS CONSULTANT