Our Team

Mataas Partners is led by two principals with over 50 years of combined experience in the acquisition, development, financing and operation of a wide breadth of real estate assets – office, industrial, retail, life science, multi-family and self-storage. This unique depth of experience yields creative insights for repurposing underperforming assets and creating value for investors.

Roger C. Simsiman

Mr. Simsiman has nearly 25 years in the real estate industry primarily engaged in acquisition, financing, capital market activities, management, leasing and development of office, industrial, retail, life science and self storage properties throughout the United States. Prior to Mataas, he was Chief Operating Officer of Global Building.

Richard R. Day

Mr. Day has nearly 35 years in the Construction Industry focusing in Commercial, Industrial, Retail, Church, Schools and Medical Office Buildings.  He has been the CEO and President of two Construction Firms in Southern California. 

LOUIS A. GALUPPO

Mr. Galuppo has been involved in the real estate industry since 1975 as a principal, builder, real estate broker, mortgage broker, developer, and attorney. From 1989, Mr. Galuppo has been practicing law, emphasizing on both transactional and litigation matters relating to real estate, finance, construction, development, environmental and land use. 

Tracy M. Sells

Having over 25 years in the self-storage business, Ms. Sells holds first-hand knowledge and experience in all aspects of the self-storage industry including, site selection and development, zoning and entitlement process, financing and acquisitions.