SFinvest is an investment management company experienced and
involved in management and operation of multi-family residential
housing, business management and development and trust
Our small team has a vast array of management expertise.
Principals, William Sheridan and Geralyn Sheridan have successfully
built businesses, and acted in management capacities for Fortune 500
Companies. We think out of the box and know how to get things
More about our Principals
- William Sheridan hails from San Francisco where he grew up
in a family business involved in Building Materials Distribution
to major contractors. His experience included a regional
selling position with Cessna Aircraft Corporation, and later the
overall management of Allstate Plywood, a regional building
materials distributor in the Bay Area. During the 1980s
and 1990s, Mr. Sheridan held management positions at Pacific
Supply and Sierra Gypsum North. Mr. Sheridan has also
developed subdivisions and apartment communities in Chico and a
commercial building in San Francisco. In the 1990s through
2001, Mr. Sheridan was a Project Manager at SAIC, a Fortune 500
Company based in San Diego where he consulted to clients
including Sutter Health, Kaiser Permanente, Scripps Health, the
Government of Saskatchewan, and ANX (the B to B Network linking
the vendors and dealers to the worlds largest auto makers).
Since 2001, Mr. Sheridan has been a principal at SFinvest.
Mr. Sheridan is a licensed California Real Estate Broker
#864265, a licensed California General Contractor, an FAA Airline Transport Pilot, a Microsoft
Certified Systems Engineer, and a Cisco Certified Network Professional.
- Geralyn Sheridan began her professional career working at
the Diners Club division of Citicorp. Mrs. Sheridan rose
through the ranks and was a bank officer and collection group
manager managing seriously delinquent credit card collection
portfolios and legal collections at Citicorp. Later, she
worked as an accounting supervisor at CNA Insurance. In
1989, Mrs. Sheridan came to Chico where she took over management
of a large portfolio of multi-family residential properties.
After leaving that position in 1994, Mrs. Sheridan worked in
retail sales of jewelry, a vocation that became her passion, and
one she has pursued since that time. In 1991, Mrs.
Sheridan joined SFinvest as its' CFO. Mrs. Sheridan remains
involved in the oversight of operations at SFinvest, and is now
pursing her interests in Gemology and Jewelry creation and
marketing. Mrs. Sheridan has received her Gemology
Institute of America (GIA) Diploma in Gemology, and in Business
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