Bay Area Internet billionaire Marc Benioff and his wife, Lynne, have donated $100-million to the University of California at San Francisco’s children’s hospital, their second nine-figure gift to the facility in four years, reports the San Francisco Chronicle.

The gift, to be officially announced Tuesday, will be split between the UCSF Benioff Children’s Hospital and Children’s Hospital Oakland, which formed a research and comprehensive-care partnership in January. Half of the gift will help finance a new outpatient center at the Oakland hospital, which will be renamed UCSF Benioff Children’s Hospital Oakland.

Mr. Benioff, the founder and CEO of Salesforce.com, has emerged as a leading light in tech-sector philanthropy. He and wife donated $100-million in July 2010 to build UCSF’s children’s hospital in San Francisco’s Mission Bay area, which is slated to open in February.

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