Who Is The Mortgage Geek? 

Sean Cahan is the President of Cornerstone First Mortgage and brings over 16 years of experience to our privately-owned bank, headquartered in San Diego.  As president, he oversees the operations and production of over 650 million dollars in loans annually.


Sean was born and raised in Bellevue, Washington and obtained a Bachelor’s Degree in Business Administration at Washington State University. Shortly after, he moved to San Diego where he met his wife, Chelsea. Together, they have two beautiful daughters; Annabelle and Isla. In his free time, Sean enjoys training for triathlons and travel around the world with his family.


The Mortgage Geek was created in 2015 to help educate the real estate community. 

Sean Cahan

NMLS# 309034
Tel: (858) 514-3600 ext. 1002

Cell: (619) 519-3780
Fax: (619) 245-4116
Email Me


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