Transportation Staff Area of Responsibility


    Vicki Wingfield
    Transportation, Director I

    Vicki began her career in pupil transportation at Springville Union School in 1978, and in 1979 went to work for Portervile Unified School District.

    1999 saw Vicki become a State Certified School Bus Instructor and also completing the Passenger Transportation Administrator program for the California Department of Education. 

    Vicki is a member of the local chapter of the California Association of School Transportation Officials, serving as their Vice President in 2001.  She has also graduated from the Leadership Porterville program in 2000. 

    Vicki was hired as Supervisor II with Visalia Unified School District in January 2007.

    Brent Stewart
    Supervisor II

    Brent completed his apprentiship as a diesel mechanic in New Zealand.  After moving to America in 1993, he continued in the automotive field, working on German automobiles.

    In January 2002, Brent was hired as a Mechanic II with the Kern County Superintendent of schools in Bakersfield.  By July, he had been promoted to Lead Mechanic. 

    Brent was hired as the Supervisor II, Transportation - shop, by Visalia Unified School District in August 2007.

    Brent is a certified CNG cylinder inspector and is a Master School Bus Technician with the National Institute for Automotive Service Excellence


    Becky Shaw

    Supervisor II


    Becky began her career in Pupil Transportation at Visalia Unified School District in 2005 as a School Bus Driver.  In April 2011 Becky was promoted to Dispatch/Router at VUSD. 

    Becky is a member of the Local Chapter of the California Association of School Transportation Officials.  Becky was promoted to Supervisor II of the transportation department in August of 2018.

     Adriana Rojas

    Office Manager


    •  VUSD & Mid Valley Trip Invoicing
    • Outside Customer Trip Invoicing 
    • Accounts Receivables
    Sheila Freedenburg
    Brian Mitchell
    Lead Mechanic
    • Vehicle Repairs
    Sylvia Alvarez
    • Vehicle Repairs
    • Preventative maintenance scheduling
    • Accounts payable