Arjan Westerhoff is a seasoned professional in operational capacity and efficiency, currently serving as the Operational Capacity & Efficiency Director at nLighten since July 2025. Westerhoff is also the Project Lead and Main Editor for the ISO/IEC 30134-9 WUE review at the International Organization for Standardization, focusing on water usage efficiency in data centers. As a Board Member of Twents Regioteam, Westerhoff engages with young female footballers, while also contributing as a Datacenter Standards Expert for the Dutch Data Center Association and a member of the NEN standards committee. Previous roles include Principal and Energy Efficiency Manager at Equinix, where efforts were directed towards sustainable data center operations. Furthermore, Westerhoff has participated in initiatives such as the Climate Neutral Data Centre Pact and EPI as a standards reviewer, underscoring a commitment to sharing expertise in the data center industry. Educational background includes a Bachelor's degree in ICT from Inholland University.
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