De Rito Partners Development of Phoenix, AZ named former Ralphs Grocery Company Sr. VP Tom Gast President and Partner of De Rito Partners West. Based in Anaheim Hills, CA, Gast will be responsible for the acquisition and development of retail, mixed-use and redevelopment opportunities in CA and NV. Company plans to spend more than $100 million in these areas within the next 18 to 24 months.