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Valerie Clay


Interim Director of Purchasing


Valerie Clay's Biography

Valerie Clay has been working for San Bernardino County in the County Administrative Office for 24 years, starting as a finance analyst and currently as a Deputy Executive Officer. As a finance analyst for 5 years, she assisted and advised departments in budget, fiscal problems and monitored expenditure and revenue activity. As a Deputy Executive Officer she was responsible for preparing and submitting to the Board of Supervisors the countywide budget for 12 years and 7 years overseeing the budget, finances and operations of multiple County departments including the Purchasing Department. She holds a Bachelor’s Degree in Accounting from the University of Southern California and has been a Certified Public Accountant for 27 years. Married for 30 years, Valerie has two daughters and her hobbies include boating, off-roading and sports.

david hsi

Jackie Ambrose

909.387.2463 / 909.580.2890


Arrowhead Regional Medical Center / Facilities Management / Real Estate Services

Jackie Ambrose's Biography

Jacqueline Ambrose has joined the San Bernardino County Purchasing Department after 8 years of public sector experience in Riverside County, which includes financial analysis and facilities management.   She holds a bachelor’s degree in Technical Management from Devry University.  In her free time, Jackie enjoys spending time with family and friends.  

David Battaglia

David Battaglia

909.387.3374 / 909.387.7854


Fleet Management

David Battaglia's Biography
bill brock

Bill Brock



County Counsel / County Fire  / District Attorney / Land Use Services /  Purchasing / Special Districts

Bill Brock's Biography

Bill Brock has nearly 15 years of service in County purchasing. Prior to that, he had a substantial career as a private sector purchasing manager. He has expertise with law enforcement equipment and services, with a special focus on vehicles. Bill has a Bachelor of Science degree in Criminology. He and his wife Kelly have been married since 1987 and have two children. He enjoys spending his free time with his family and their German Shepherds, Chloe and Lola.

michael Candelaria

Michael Candelaria



Sheriff / Probation

Michael Candelaria's Biography

For 23 years, Michael Candelaria has expanded his career, first in retail purchasing and then finding his passion in public service. He has worked with nearly every County department and is responsible for several countywide agreements including furniture and information technology equipment. He is a skillful trainer and a Certified Professional Public Buyer, and is assigned to the Sheriff’s Department where the budget comprises nearly three-fourths of the County’s discretionary spending. As an active member of California Association of Public Procurement Officers since 2001, Michael has served as an officer for Inland Empire Chapter for 4 years, as Secretary, Treasurer, Vice-Chair and Chair.

Michelle Churchill

Michelle Churchill



Board of Supervisors / Clerk of the Board / County Administrative Office / Library

Michelle Churchill's Biography


jason cloninger

Jason Cloninger

909.387.3375 / 909.387.8258  


Public Works

Jasson Cloninger's Biography


Lynn Evans

Lynn Evans



Human Services Administration / Child Support Services / Preschool Services / Veterans Affairs / CAL-Card

Lynn Evans' Biography
leo gomez

Leo Gomez


Procurement Manager


Leo Gomez's Biography

Leo has been with the Purchasing Department for 18 years in various positions and holds the designation of Certified Professional Public Buyer. As supervising buyer he oversees a staff of 13 and is part of the management team. His analytical abilities and broad knowledge of all County departments positions him as a “go to” person for staff throughout the County. He is a purchasing subject matter expert on Board of Supervisors agenda items, and he is instrumental in defining electronic workflows to implement County policy. Leo is a member of the California Association of Public Procurement Officials and routinely makes presentations to the vendor community. He and his wife Mary married in 1990 and have three sons.

brian hashima

Brian Hashima



Assessor / Recorder / County Clerk / Auditor-Controller / Treasurer / Tax Collector / Human Resources / Public Defender / Risk Management / CAL-Card

Brian Hashima's Biography

With over 20 years of purchasing and purchasing management experience in the private sector, Brian Hashima has extensive procurement knowledge in manufacturing, retail and financial services. He holds a bachelor’s degree and also attended Western State College of Law. With a work philosophy of treating his co-workers as his family, Brian is a welcomed addition to the Purchasing Department. Brian is married with two teenage daughters, and enjoys sports and reading in his spare time.

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Esther Reyna


SAP Functional Analyst

Esther Reyna's Biography

As a procurement professional for more than 20 years, Esther Reyna has extensive experience with complex medical/surgical commodities in both Los Angeles and San Bernardino Counties. She developed the Just in Time (JIT) delivery system for the medical center, and is proficient with diverse public works and MRO contracts. Esther is also an active member of California Association of Public Procurement Officials and has been happily married for 22 years with three active children. She loves to travel, specifically taking RV road trips!

Danny Shaftary

Danny Shaftary

909.386.8046 / 909.388.5546  


Department of Innovation and Technology

Danny Shaftary's Biography
Leng Winkler

Leng Winkler



Agriculture / Weights & Measures / Airports / Behavioral Health / Inland Counties Emergency Medical Agency/ Museums / Public Health / Regional Parks 

Leng Winkler's Biography