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At DELTA Fiber, we believe fiber is the technology allowing you to get the most out of your internet connection. And we want to let as many people as possible benefit from this. We always go one step further. Since we started installing the fastest internet network in the Netherlands in the province of Zeeland more than twenty years ago, our passion and experience means we’ve grown into the country’s leading fiber expert. With the DELTA Network, we’re making lightning fast internet available to more and more people and companies, in more and more areas.
DELTA Fiber not only installs, but also provides the services on that fastest fiber network. With our brands DELTA and Caiway we provide gigabit internet, interactive television, telephony and mobile services. DELTA Fiber is owned by two investment companies: the Swedish EQT and the American Stonepeak. DELTA Fiber includes DELTA, Caiway, DELTA Network and ZeelandNet, with this joint company employing more than 1200 people.
Meet the management of DELTA Fiber
The day-to-day management of DELTA Fiber is down to the following people, who are responsible for the company’s further growth. You can find out more about them by clicking on the photos.
Marco Visser
Chief Executive Officer DELTA Fiber
Marco Visser
Chief Executive Officer DELTA Fiber
On 1 March 2017, EQT Partners appointed Marco Visser as CEO of DELTA Fiber. As CEO, Marco has overall responsibility for managing DELTA Fiber, and he coordinates the implementation of all operational processes and activities. Before his appointment, he was head of M7 Group, a European satellite TV provider offering well-known brands in the Netherlands such as Canal Digital and Online.nl. Previously, Marco Visser worked at KPN in a variety of positions, including managing director of the Dutch consumer division.
Huib Costermans
Chief Financial Officer DELTA Fiber
Huib Costermans
Chief Financial Officer DELTA Fiber
Huib Costermans has been CFO since 2018. He is responsible for defining and achieving DELTA Fiber’s financial objectives. Previously, Huib was CFO at the Irish telecom company Eir. Before that, he worked for seven years at KPN, during which he was CFO at the German company E-plus for three years. Huib graduated in business administration, holds a Master’s in finance and has been working in the telecom sector for fourteen years, before which he worked for sixteen years in the pharmaceutical industry.
Marjolein Smeets
Chief Information Officer DELTA Fiber
Marjolein Smeets
Chief Information Officer DELTA Fiber
Marjolein has been CIO since early 2022. She is responsible for IT and the chain management process. Her ambition at DELTA Fiber is to ensure the customer journey runs smoothly and that IT support enables the processes to be digitalised and optimised. She has a Master of Science degree and gained extensive experience working as IT manager at the Amsterdam municipality and as CTO for the Dutch police and for insurance company ARAG.
Ludolf Rasterhoff
Chief Commercial Officer DELTA Fiber
Ludolf Rasterhoff
Chief Commercial Officer DELTA Fiber
Ludolf has been CCO since March 2017. He is responsible for the marketing and sales activities in the consumer market, focusing on growing the customer base in regions where DELTA Fiber has its network. Ludolf has over twenty years experience in the telecom sector, of which he spent ten years as CCO and COO abroad. Before that, his accomplishments included setting up and managing KPN’s TV activities and working as director of marketing at KPN Mobiel.
Albert Vergeer
Chief Operating Officer DELTA Fiber
Albert Vergeer
Chief Operating Officer DELTA Fiber
As Chief Operating Officer (COO), Albert’s responsibilities include overseeing all of DELTA Fiber’s activities in the corporate and wholesale markets. In addition, he also manages all regional marketing and sales activities as well as customer service. Before coming to DELTA Fiber, Albert was CEO of Caiway, after having worked in various positions at KPN, including director of internet, TV and telephony for the consumer market.
Michiel Admiraal
Business Development Director DELTA Fiber
Michiel Admiraal
Business Development Director DELTA Fiber
Michiel has been Director of Business Development since 2018. He is responsible for DELTA Fiber’s expansion plans. He focuses on growth and on preparing suitable proposals for end users, investors, and the network. After completing a Master’s degree in finance & investments, Michiel has worked in various positions at companies such as Kempen & Co and CIF, a telecom investment company. Subsequently, he was managing director of Glasvezel Buitenaf, a pioneer in the roll-out of fibre networks in rural areas, which later became DELTA Fiber.
John Wittekamp
Chief Technical Officer DELTA Fiber
John Wittekamp
Chief Technical Officer DELTA Fiber
John Wittekamp has been Group CTO of DELTA Fiber Nederland since January 2018. John has overall responsibility for technology and technological operations at DELTA Fiber. He was previously responsible for Wholesale & Operations at cable and fiber provider CAIW. Before that, John worked in various positions at KPN, including CIO.
Martijn van Woerkom
General Counsel DELTA Fiber
Martijn van Woerkom
General Counsel DELTA Fiber
Martijn van Woerkom has been General Counsel since 2018. He has overall responsibility for legal issues, governance, and compliance. Martijn ensures that the entire company operates within the frameworks laid out by relevant legislation and regulations. Before coming to DELTA Fiber, Martijn worked as Legal Counsel at Royal PostNL.
Jeroen Louws
Manager HRM DELTA Fiber
Jeroen Louws
Manager HRM DELTA Fiber
Jeroen Louws has been HRM Manager since 2016, and as such he is responsible for HRM, ESG en Facilities. Jeroen focuses on acquiring new talent and on keeping existing employees engaged and vibrant. Before Jeroen took on his current role, he worked as manager of DELTA’s HR Shared Services Center.
DELTA Business is ISO 27001 certified
DELTA Business ISO 27001 certified. This certification is a globally recognized standard that demonstrates that we have our information security in place.
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