Erupting volcano at night, glowing orange lava and ash plume over dark slopes
ENROLL FOR SUMMER 2026

Get ahead, catch up, or explore something new with Earth and Planetary Sciences.

Staff

Administrative Staff

Department Chair Magali Billen
Department CAO Jamie Brannan
Main Office 2119 Earth and Physical Sciences Building
phone: 1 (530) 752-0350; fax: 1 (530) 752-0951; [email protected]

David Barnes
Safety Officer/Facilities Management
[email protected]
1 (530) 754-1505 
Greg Baxter
Thin Sections Staff Research Associate
[email protected]
1 (530) 752-1864 
Jamie Brannan
Chief Administrative Officer
[email protected]
1 (530) 752-3668 
David Arias
Communications and Outreach
[email protected]
1 (530) 752-7421
Mishel Sinclair
Business Office Assistant
[email protected]
1 (530) 752-0350
Crystal Gasca
Academic Personnel
[email protected]
1 (530) 752-8107
Alyssa Henry
Financial Analyst
[email protected]
1 (530) 752-2006
Angelica Ramirez
Payroll/Purchasing/Travel
[email protected]
1 (530) 752-2201 
Karen Yanez
Student Services Advisor
[email protected]
1 (530) 752-9100 
Tracy Thomson
Research Assistant to Professor Vermeij
[email protected]
1 (530) 752-2234
LS IT
IT Server & Network Administration
lshelp@ucdavis.edu
1 (530) 752-8800
  
  • Task Directory
  • ContactTask(s)
    [email protected]
    1 (530) 752-8107
        
    Academic personnel matters
    Faculty merits and promotions
    Faculty recruitment
    Merits and promotions, faculty
    Sabbatical requests
    Short-term leave requests, faculty
    Visas and work permits
     
    [email protected]
    1 (530) 752-2201 
    Accounts payable
    Purchasing, invoices, packing slips, pre-purchasing system
     
    [email protected]
    1 (530) 752-3668 
    Annual budget planning
    Management, leadership and oversight for admin unit
    Liaison to L&S Deans’ Office
     
    [email protected]
    1 (530) 752-2201 
    Benefits
    Payroll and personnel
     
    [email protected]
    1 (530) 752-2201
    Building access
    Key distribution
    Keycards
     
    [email protected]
    1 (530) 752-0350 
        
    Building maintenance and repairs
    Classroom reservations
    Conference room reservations
    Copier operation
    Financial accounting
    Honoraria
    Mail distribution
    Office supply
    Paycheck questions
    Seminars and Friday Lunch Talks
    Shipping
    Supplies
    **Things not listed
     
    [email protected]
    1 (530) 752-9100 
        
    Geology advising
    Commencement ordering (caps/gowns/hoods)
    Course evaluation
    Enrollment
    Grade changes and incomplete grades
    Instruction planning
    Geology student matters
    Textbook orders
    Geology undergraduate matters
     
    [email protected]
    1 (530) 752-9600 
    Computer accounts
    Computer hardware and software support
    Cyber-safety guidelines and compliance
    Firewall configuration
    Server and network administration
    Video adapters and cables
    Video projector and screen repairs
    Video projector check-out
    Web server administration
    Website access controls
     
    [email protected]
    1 (530) 752-2006
    Contract and grant budgets & accounting
    Financial accounting
    Grant budget preparation and administration
    Recharge units
    Student department accounts
     
    [email protected]
    1 (530) 752-7421
    Illustration/design for faculty and research publications, department displays
    Mailbox labels and office name plates
     
    [email protected]
    1 (530) 752-7421
    Department calendar
    Social media management
    Webpages and policy
    Website design and consulting
     
    [email protected]
    1 (530) 752-0350 
    Entertainment reimbursement
    Travel reimbursement
     
    [email protected]
    1 (530) 752-1864 
    Equipment inventory

     
    [email protected]
    1 (530) 754-1505 
    Facilities management
    Research lab safety guidelines and compliance
    Safety coordinator
    [email protected]
    1 (530) 752-9100 
        
    Geology graduate advising
    Graduate matters
    [email protected]
    1 (530) 752-1864 
    Obsolete equipment and salvage

     
    [email protected]
    1 (530) 752-1864 
    Petrographic thin sections and polished sections

     
    [email protected]
    1 (530) 752-9100 
    Marine and Coastal Science advising
    Marine and Coastal Science student matters
    Marine and Coastal Science undergraduate matters
     
    [email protected]
    1 (530) 752-0350 
    Telephone directory updates