William J Stone CRX, CSM
(858) 649-6055


Geoffery W. Sherman
(858) 649-6047

Bill’s career has spanned over 40 years in the retail real estate industry including Vice President of E.W. Hahn Company, Executive Vice President of Oliver McMillan and Senior Vice President of Development for Excel Trust. He has developed enclosed malls, power and lifestyle centers as well as mixed-use properties across the United States and Mexico. He received the Certified Retail Property Executive designation from ICSC as well as CSM. He serves on the Entertainment Development Council for the Urban Land Institute.

  • Certified Retail Property Executive (CRX), ICSC
  • Certified Shopping Center Manager (CSM), ICSC
  • Entertainment Development Council Member, ULI

Geoff has 37 years of experience in the development and construction industries as owner, contractor and manager. He has managed the development of over 10 million square feet of building area plus site work. As Vice President of Development/Construction at Excel for 14 years, he developed projects comprising of site development, retail shell, tenant improvements, mixed-use properties, power and lifestyle centers, residential, and self-storage.

  • Licensed General Contractor, California Contractors State License #494016

Irene recently joined S Squared Development bringing with her over 20 years of Office Management and Senior Office Administration experience. She is experienced in managing and overseeing all administrative functions from start-up companies to mid-sized companies. She most recently was in the pharmaceutical/biotech industry.


(858) 649-6375 | 13029 Danielson St. Suite 204 Poway, CA 92064