Billionaire David Duffield’s pet-friendly mansion for sale in Alamo,California

American billionaire David Duffield ,the founder of Peoplesoft and Workday, is selling his mansion for $39 million in Alamo, California, according to the WSJ report. According to the realtors, this is the most expensive home listing in the history of the East Bay. The property is located at the base of Mount Diablo approximately 30 …