Data Centre Magazine August 2025 | Page 127

CHRIS SHARP
TECH & AI

CHRIS SHARP

TITLE: CHIEF TECHNOLOGY OFFICER( CTO)
COMPANY: DIGITAL REALTY INDUSTRY: DATA CENTRES
The next step is to reuse the captured heat. Vivek refers to this concept as“ liquid cooling 2.0,” where waste heat becomes an asset. As Simon Prichard of Mitsubishi Electric has argued, the focus must shift“ away from cooling and onto the reuse of heat energy.” This model is gaining traction in Europe, aided by dense urban environments and established district heating networks. Examples include an NTT facility in Germany supplying heat to a local campus and an Equinix centre in France set to warm the Olympic swimming pool. Despite this progress, Vivek remains pragmatic on its current status.“ Yes, sustainability is definitely a boardroom topic, if not a byproduct
As CTO of Digital Realty, Chris champions efficiency as the key metric for AI and established“ Tokens per watt per dollar” as the new industry performance benchmark.