Robert Half Categories Staffing Agency 4309 Hacienda Drive, Suite 360 Pleasanton CA 94588 (925) 460-0888 (925) 460-0177 Visit Website Hours: Monday-Friday 7:30am-6:00pm Rep/Contact Info Christina DeLong × Christina DeLong Vice President Phone: (925) 460-0888 Send an Email Karen Warren × Karen Warren Regional Vice President Phone: (925) 460-0888 Send an Email Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×