GS Management Company

Providing full service commercial property management since 1990

(925) 734-0280

GSMC Team


Margie Alvarado
Assistant Property Manager

Darlene Beech
Senior Property Manager
Loucel Bugawan, Accounting Manager
Loucel Bugawan
Accounting Manager
Lucy Cave, Assistant Property Manager
Lucy Cave
Assistant Property Manager
Armando Cruz-Bautista, Senior Facility Engineer
Armando Cruz-Bautista
Senior Facility Engineer
Cooper Emerson
Cooper Emerson
Property Accountant
Christine Franceschi, Property Manager
Christine Franceschi
Property Manager
Roseanne Francis, Assistant Property Manager
Roseanne Francis
Assistant Property Manager

Elizabeth Gabriel
Front Desk Administrator
Kelly Galleguillos, Senior Corporate Administrator
Kelly Galleguillos
Senior Corporate Administrator

Derica Gonzalez
HR Specialist
Uriel Grajeda, Facility Engineering Manager
Uriel Grajeda
Facility Engineering Manager

Caroline Haggarty
Property Administrator
Chad Hancock, Operations Manager
Chad Hancock
Property Manager
Suzanne Hardman, Senior Property Manager
Suzanne Hardman
Senior Property Manager
Beverly J. Howell Chief Operating Officer
Beverly J. Howell
Chief Operating Officer
Chad Howell, Portfolio Accountant
Chad Howell
Portfolio Accountant

Vanessa Juneau
Assistant Property Manager
May Kwong, Property Manager
May Kwong
Property Manager
Cynthia Machado, Senior Property Manager
Cynthia Machado
Senior Property Manager
Pamela L. Olson, CPA, Chief Financial Officer
Pamela L. Olson, CPA
Chief Financial Officer
Phyllis Y. Osaki Chief Executive Officer
Phyllis Y. Osaki
Chief Executive Officer
Laurie Ragsdale, Accounting Manager
Laurie Ragsdale
Accounting Manager
Leticia Rivera-Sanchez, Portfolio Accountant
Leticia Rivera-Sanchez
Portfolio Accountant
Letty Sandoval, Property Administrator
Leticia “Letty” Sandoval
Assistant Property Manager
Shawnie Samaniego, Assistant Property Manager
Shawnie Samaniego
Assistant Property Manager

Penelope Smith
Property Manager
Sandra Thornton, Accounting Manager
Sandra Thornton, CPA
Accounting Manager

Eli Velasquez
Senior Facility Engineer
Chris Wei
Chris Wei
Property Manager

GS Management Company
5674 Sonoma Drive
Pleasanton, CA 94566
Phone: (925) 734-0280
Map & Directions
Corporate DRE# 01093851

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GS Management Company has earned the recognition of being listed as one of the top 25 Property Management Companies in Silicon Valley/San Jose Business Journal, the East Bay Business Journal and Bay Area Business Times every year since 2000.