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Gerrit Dekker

Hi, I'm Gerrit Dekker, Interim CIO and IT program manager.

Gerrit Dekker is a senior IT Director with a proven track record of successful organisation, outsourcing and architecture transitions in large scale IT environments. By providing the outside-in view, and building on my experience, I provide the levers necessary to identify and create sustainable solutions enhancing the performance and thus the reputation of your IT organisation. I am specialised in organising and managing IT departments and programs; in managing IT portfolio and spend; in assuring business-IT convergence, and in defining & executing longterm IT strategies. My level of engagement is tuned to the specific situation, it can range from short-term consultancy, to longer-term part-time coaching, to full-time interim management.

Gerrit Dekker's Background

Gerrit Dekker's Experience

Interim Technology Manager at KPN Mobile

February 2012 - June 2012

Arrow BSS Transformation Program. Responsible for Technology HR & Recruitment; Financials; Supplier Management; Planning & Quality of Technology Program deliverables; Standards & Procedures for the Technology teams; operational readiness.

Value Proposition Professional at VPPerform B.V.

2010 - February 2012

VPPerform provides opportunity development & deal shaping services to the major European ICT service providers following a unique concept. VPPerform provides the independent customer perspective, the outside-in view, through involvement of contracted professionals with a CIO level and/or senior IT sourcing background.

Interim Program Manager at Huawei

February 2011 - June 2011

Interim Program manager for Huawei Germany, delivering to E-Plus a new billing & CRM IT infra-structure. Main objectives included setting up the program structure and PMO, starting a proof of concept, and defining the program scope as input for final contract negotiations.

Management Consultant at Fortis Merchant Banking

April 2009 - December 2009

Definition of a new IT Governance organisation structure. IT Departmental Plan. New Service Level Agreement with outsourcing partner.

Executive Vice President Information Technology at T-Mobile Netherlands BV

October 2007 - 2008

IT Director: T-Mobile/Orange. Post merger integration of 2 IT departments, achieving 20% operational synergy savings. 300FTE; 100M€.

Executive Vice President Information Systems at T-Mobile Netherlands BV

2003 - 2007

Responsible for the Information Systems department at T-Mobile Netherlands. 5 consecutive years of 98% success rates in delivery of 60 projects (totalling 30M€) per year.

IT Development Manager at T-Mobile

August 1998 - May 2003

As manager of the IT development department responsible for evaluation and implementation of IT projects and changes from the whole Dutch organisation. During startup of Ben responsible for the introduction of the mediation and billing systems.

Project Manager at AT&T

1995 - 1998

Project management, telecom, billing system, Stockholm/Amsterdam. Project management, software development, electronic money transfer. NCR.

Senior Analyst at Logica

1986 - 1995

Project management, billing system, telecom, fixed and mobile. Software development, network protocols, TCP/IP, X.25, flower auction. Software development, bank.

Lieutenant at Royal Dutch Navy

1985 - 1986

Physics Teacher at the KIM.

Program Manager at Vodafone


Test harmonisation program across Vodafone in Europe.

Owner at CIO Services Netherlands


We are specialised in providing ICT consultancy and interim management at board level. We know your business IT challenges and have seen your IT issues before, through hands-on executive level experience gained in large scale state of the art IT environments. We assure sustainable change through the full involvement of you and your IT team.

Gerrit Dekker's Education

University Leiden

1979 – 1985



1973 – 1979

Gerrit Dekker's Interests & Activities

IT, mobile telecoms, road cycling, sailing

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