Frank Coster
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Frank Coster Email & Phone Number

Leader Global IT Services at Randstad
Location: The Randstad, Netherlands, Netherlands 17 work roles 5 schools
1 work email found @cotrail.nl 1 phone found area 170 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email f****@cotrail.nl
Direct phone (170) ***-****
LinkedIn Profile matched
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Current company
Role
Leader Global IT Services
Location
The Randstad, Netherlands, Netherlands

Who is Frank Coster? Overview

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Quick answer

Frank Coster is listed as Leader Global IT Services at Randstad, based in The Randstad, Netherlands, Netherlands. AeroLeads shows a work email signal at cotrail.nl, phone signal with area code 170, and a matched LinkedIn profile for Frank Coster.

Frank Coster previously worked as Managing Director Global IT Services at Randstad and Advisory Board Member at Justitiële Informatiedienst. Frank Coster holds Senior Executive Program (Randstad'S Frits Goldschmeding Academy) from Tias School For Business And Society.

Company email context

Email format at Randstad

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{first}.{last}@cotrail.nl
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AeroLeads found 1 current-domain work email signal for Frank Coster. Compare company email patterns before reaching out.

Profile bio

About Frank Coster

I am an experienced results-driven cross-functional leader. I optimize, innovate or transform organizations and processes. By building a highly motivated workforce, and making maximum use of ICT and new technologies. The organisations, programs and projects which I have been leading, all contributed to an increased customer satisfaction, better sales, more efficient operations and an increased bottom line. I connect with people at all organisational levels. I can turn resistance into constructive cooperation.

Listed skills include Program Management, Ict, Change Management, It Service Management, and 30 others.

Current workplace

Frank Coster's current company

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Randstad
Randstad
Leader Global IT Services
AeroLeads page
17 roles

Frank Coster work experience

A career timeline built from the work history available for this profile.

Managing Director Global It Services

Current

Diemen, Noord-Holland, NL

Responsible for the management of IT Support Services (infrastructure and applications), management of IT Service delivery for IT Services, the security operations organization (SOC) and ensuring continuous improvement initiatives (Run) for our key business applications (talent, client, employees).

Jan 2023 - Present

Cio

Diemen, North Holland, NL

Managing Director and CIO, responsible for IT for Randstad Groep Nederland (Randstad Nederland, Tempo Team, Yacht). Member of Global IT leadership team. Functional responsible as Regional CDO for Randstad UK, Norway, Sweden and Denmark.

Jan 2017 - Jun 2023

Manager It (Interim)

Rotterdam, Zuid-Holland, NL

Leading several Development teams. In a full agile environment working on the mission of Coolblue to make customers smile and to do it better everyday!

Jul 2016 - Dec 2016

Owner / Interim / Program Manager / Consultant Iot - Big Data - Cloud

Cotrail

Helping organisations in identifying opportunities, defining strategy and executing them in the field of Internet of Things (IoT), Cloud and (Big) Data Analytics.We provide experienced consultancy, interim or program management for Operations, Transformation, Innovation, Implementation and Change Management.

Dec 2015 - Dec 2016

Vp Simplification & Innovation B2B

Kpn

Rotterdam, Zuid-Holland, NL

As Vice President responsible for defining and executing innovation and transformation projects and programs for KPN’s Business Market, to increase customer satisfaction, increase revenue, reduce cost-levels. Responsibility: appr. 50 million/year, partners (on-/offshore).Results: Increased revenue through launch of bundled services (VastMobiel, KPN ÉÉN.

Apr 2014 - Dec 2015

Director Innovation & Programs Business Market

Kpn

Rotterdam, Zuid-Holland, NL

Responsible for innovation and transformation roadmap, programs and projects for KPN’s Business Market. This for example includes the introduction of a whole new proposition for Managed Communications & Collaboration, launched as KPN ÉÉN.Role changed in VP Simplification & Innovation per April 2014 as part of reorganisation.

Jan 2014 - Apr 2014

Program Director Innovation Large & Corporate Market

Kpn

Rotterdam, Zuid-Holland, NL

Plan and execute innovation program for the large and corporate market, based on the strategic objectives of KPN Business Market. End-to-end design and realisation of processes and IT for new and integrated services, cost reduction and simplification and customer satisfaction. Responsibility: appr. 20-25 million/year.Results: Introduction of new.

Feb 2011 - Dec 2013

Program Manager Futureproof Operating Model

Kpn

Rotterdam, Zuid-Holland, NL

Identify opportunities to strenghten bottom-line, by rightsizing the organisation and improve processes and organisation.

Jun 2012 - Jan 2013

Manager It

Kpn

Rotterdam, Zuid-Holland, NL

End-to-end design and realisation of processes and IT for KPN’s operator for new services and networks, operational excellence and as part of KPN’s transformation to an all IP network. Responsibility: appr. 60-70 million/year.Results: New generic fulfilment, provisioning and assurance chains designed and implemented, for the introduction of FttH, FttC.

Jan 2009 - Feb 2011

Program Manager New Oss

Kpn

Rotterdam, Zuid-Holland, NL

End-to-end design and realisation of processes and IT for KPN’s operator for new services and networks, operational excellence and as part of KPN’s transformation to an all IP network and national FTTH rollout.

Apr 2007 - Feb 2011

It Business Relationship Manager

Kpn

Rotterdam, Zuid-Holland, NL

Align business strategy of Segment Wholesale & Operations and IT-strategy (rationalisation). Governance on investment portfolio, roadmaps and portfolio management. Initiate and execute projects, programs and changes. Results: Aligned Business and IT strategy and roadmap, project portfolio under control, several projects & programs started and implemented.

Oct 2005 - Apr 2007

Manager Portfoliomanagement Voice

Kpn

Rotterdam, Zuid-Holland, NL

Product and chain management for voice, connections, subs, and value added services, including fulfilment and assurance processes. Target is maximum ROI and ARPU, excellent NPS. Managed transition from traditionele POTS to VoIP.

Apr 2004 - Oct 2005

Program Manager Ftth

Kpn

Rotterdam, Zuid-Holland, NL

Define next generation broadband access strategy, based on fiber to the home and xDSL. In close cooperation with partners, customers, suppliers, government and municipalities, and telco/cable sector, reconsidering the traditional telecom value chain, to find viable businessmodels for the new broadband market. Including technology, business modelling.

Mar 2001 - Apr 2004

Manager Operational And Support Units

Kpn

Rotterdam, Zuid-Holland, NL

Several management jobs in the field of operations. From management support and facilities to network capacity management. Started within Autolease company of KPN, later years within the Telecom company of KPN.

Jul 1989 - Mar 2001

Technical Commercial Manager

Amsterdam, NL

Hiring and placing temporary workers, especially engineers.

Sep 1988 - Jun 1989
5 education records

Frank Coster education

Senior Executive Program (Randstad'S Frits Goldschmeding Academy)

Tias School For Business And Society

Master’S Degree, Master Of Information Management

Tias School For Business And Society

High Performing People Skils

London Business School

Master’S Degree, Bedrijfskunde (Marketing & Logistiek)

Open Universiteit

Bachelor’S Degree, Automotive Engineering

Han University Of Applied Sciences
FAQ

Frequently asked questions about Frank Coster

Quick answers generated from the profile data available on this page.

What company does Frank Coster work for?

Frank Coster works for Randstad.

What is Frank Coster's role at Randstad?

Frank Coster is listed as Leader Global IT Services at Randstad.

What is Frank Coster's email address?

AeroLeads has found 1 work email signal at @cotrail.nl for Frank Coster at Randstad.

What is Frank Coster's phone number?

AeroLeads has found 1 phone signal(s) with area code 170 for Frank Coster at Randstad.

Where is Frank Coster based?

Frank Coster is based in The Randstad, Netherlands, Netherlands while working with Randstad.

What companies has Frank Coster worked for?

Frank Coster has worked for Randstad, Justitiële Informatiedienst, Sociale Verzekeringsbank, Randstad Groep Nederland, and Coolblue.

How can I contact Frank Coster?

You can use AeroLeads to view verified contact signals for Frank Coster at Randstad, including work email, phone, and LinkedIn data when available.

What schools did Frank Coster attend?

Frank Coster holds Senior Executive Program (Randstad'S Frits Goldschmeding Academy) from Tias School For Business And Society.

What skills is Frank Coster known for?

Frank Coster is listed with skills including Program Management, Ict, Change Management, It Service Management, Business Alignment, Telecommunications, It Management, and Process Management.

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