The Earth Sciences Division office staff listed on this page are your points of contact for general front office questions and division management topics. Directory listings to find ESD staff by Departments and points of contact in the Division’s Workplace Resources are also available. ESD’s main Division Office is located on the third floor of Building 74. Other ESD administrative offices are located in Buildings 70A and 84. To access a complete ESD Personnel Roster, go to Our People page.

Division Office Staff

Position Name Bldg. Rm. Phone
Division Director Susan Hubbard 74 0310 (510) 486-5266
Division Deputy Jens Birkholzer 74 0308 (510) 486-7134
Administrator to the Division Director Simone DiMatteo 74 0316C (510) 486-4547
Administrator to the Division Deputy Carol Chien 74 0316S (510) 486-4724
Senior Advisor Ernie Majer 74 0312 (510) 486-6709
Business Manager Peter K. Lau 74 0310 (510) 486-5570
Strategic Development and
Communications Manager
Maryann Villavert 74 0314 (510) 486-7357
Research Administration Manager Lisa Kelly 74 0311 (510) 486-5041
Budget/Finance Grace Miller 74 0316Q (510) 486-6726
Safety Coordinator Vivi Fissekidou 74B 0103 (510) 486-5610
Human Resources Tracy Bigelow 74 0106 (510) 486-6065

Staff By Workplace Resource

If you need to help with a specific workplace topic (travel, purchasing, time reporting, proposal development, etc.), go to the Workplace Resources website and locate the Contact Us directory. You can also contact the Division’s Front Office Staff for immediate questions.

Front Office Staff

Front Office Location Administrative Contact Bldg. Rm. Phone
74 Sara Hefty 74 313C (510) 486-6455
84 Valarie Espinoza-Ross 84 0373 (510) 486-5234
70A Karen Elliott 70A 3317A (510) 486-7659

Staff By Departments

Locate an individual by reviewing our Staff Directories organized by Department. You can also find the entire ESD Personnel Roster by going to Our People page.