David Goldberg, the SurveyMonkey CEO who also was Facebook executive Sheryl Sandberg's husband, was exercising at a gym in a Mexican resort when he collapsed before he died Friday, a person close to the family says.
The person asked not to identified because they weren't authorized to speak publicly.
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Efforts to revive Goldberg, who was vacationing with family, were unsuccessful.
The source says family is planning a service in California but no other details are available.