Marketing and Sales
Marcel van Dam
Marcel has worked for KPN and KPN Mobile in various commercial (management) positions. Resulting from his last position as an Area Director with KPN International Consultancy he founded NTCS in 2001, with Sjef as founding partner. Eversince he has helped NTCS expand.
Henk van Rooijen
Henk is a seasoned senior executive and has a wealth of expertise in innovation, transformation, operational excellence and ICT on board/C-level.
Partner and Consultant
Jelmer focuses on broadband network technology strategy and deployment. Including fixed (FttH/HFC/DSL) and mobile networks as well as triple-play and value added services. He used to work with BTL in Belize as a Chief Strategy Officer and with Liberty Global as a Director Network Engineering. Since 2018 he is NTCS Partner.
Partner & consultant +31 6 2189 8390
Mark Boeren has had various management position in the commercial sector, both in Marketing and Sales. In his last position at KPN he was the Sales Director. In 2017 he joined NTCS as an Associate Partner.
Partner & consultant +31 6 5369 6086
Ise is specialised in IT strategy, IT bids and sourcing queries. Besides his career in the Netherlands Ise has worked and lived a.o. in the Caribean and South Africa.
Business Development Manager and Consultant +31 6 1940 9545
Sjef specializes in network architecture, development of broadband and network projects, advises international Telco’s with strategies and initiates complex projects. Together with Marcel, he started NTCS in 2001.
Partner and Consultant +31 6 5336 2057
Petra van der Heij
Pertra works as Operations manager for NTCS. She takes care of project administration and is point of contact for consultants, clients and suppliers.
Albert Bakker specializes in interim management, program and project management. He has been active in telecom and IT for over twenty years. Has experience in outsourcing changes within organisations, fusions, setting up new organisations and solution management.
Fiber networks in Africa
Customer care, billing, migration & wholesale
Jan van Rees
Mobile, wireless & broadband
Innovation, business models, new concepts and market developments
Projectmanagement energy & telecom
Wouter de Leeuw
Telecom infra management
Marketing & strategy, pricing
Interim management, strategy & telecom regulations
Interim & project management
Hans van Waas
Project Manager (FttH) Telecommunication projects
Commercial & general management
Erik van den Oever
Network architecture, business strategy & development
Architecture real time networks
Cheryl de Meza
Telecom law & regulations
Interim and program management, mobile networks, broadcast, utilities
Online communication & campaigns
Network Managent, Network Design, System Engineering, DPI
Interim management HR
Improve Sales Strategy & Channel Effectiveness, Channel Marketing & Development
Marc de Beijer
Corporate finance, mergers & acquisitions
Program & project management
Business development FttH & interim management
Customer Marketing, Customer Relation & Customer Service Management
Strategic product development
Management consultancy, Project Management, CRM
Telecom infra & interim management
Fiber optic innovation & business development
Sales development, training, coaching and assessments