CALIFORNIA (KRON) — David Goldberg, the CEO of SurveyMonkey was exercising at a gym at a Mexican resort when he collapsed and died Friday, said a person close to the family.

47-year-old Goldberg was married to Facebook executive Sheryl Sandberg, and was on vacation with his family when he died.

Efforts to revive Goldberg were unsuccessful.

An unnamed source says that the family is planning a service in California, but no other details were immediately available.

His company, SurveyMonkey expressed its condolences in this Facebook message:

“Dave’s genius, courage and leadership were overshadowed only by his compassion, friendship and heart. His greatest love was for his family. Our sympathy goes out to them and to all who were touched by this extraordinary man. We are all heartbroken.”