05

HEADQUARTERS

IBM

CHIEF SUSTAINABILITY OFFICER: CHRISTINA SHIM FOUNDED: 1911 EMPLOYEES: 290,000

: NEW YORK, US

“ We are doing a lot of great work on making AI more energy-efficient and cost effective,” says Christina Shim, Chief Sustainability Officer at IBM.

“ In one case at the University of Alabama Huntsville, it’ s been estimated that using IBM Research’ s Spyre AIU chip for a geospatial AI workload may save up to 23 kW per second, the equivalent of 20 US homes’ use per year and 85 tons of carbon emissions.”

IBM’ s Granite family focuses on compact, business-focused models rather than larger systems, aiming for accurate results at lower compute and cost. Beyond general-purpose GPUs, IBM is developing specialised AI inference chips and analogue AI prototypes designed to deliver the same task with far less power.

XXXXXX CEO, Company

WATCH NOW

AI trained on your data

40 November 2025