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Procurement Services

210 Keith Spalding Bldg.
Extension: 8900
Mail Code: 103-6
Extension Ext. Person/Role Mail Code
6273
Director, Payment Services, Muriel Marroquin
103-6
2566
Director, Purchasing Services, Monica Marquez
8472
Procurement Services Administrator, Hillary Sanchez
For division/department assignments in Procurement Services visit our website at https://procurement.caltech.edu/contacts
Purchasing Services
103-6
Purchase Orders
4997
Contracting Manager, Elisa Brink
4973
Matthew Brown
2631
Oswaldo Reategui
6723
Joel Sanchez
4679
Christopher Sierra
3792
Beth Streeter
2578
Rudy Zepeda
P-Card
6257
Manager, Michelle Lampe
6235
Lupe Gudino
8470
Brian Herrera
Payment Services
103-6
Accounts Payable
2654
Manager, Lilly Mendez
6231
Corina Duncan
6784
Tina Gardner
8049
Cheryl Hernandez
2758
Karim Jaime
8357
Marion Pele
3336
Andrea Romani
Disbursements and e-Payables
3098
Manager, Christina M. Aguilar
2894
Holly Cronin (e-Payables)
8911
Mike Dumaua
8634
Nittaya Tantapharuk
Small Business Program
2855
Manager, Theresa Perez
2271
Jennifer Reyes (P/T)
Specialty Team (Tax Reporting)
2855
Manager, Theresa Perez
4554
Rosie Garcia
3689
Hazel Hall
3097
Monique McMillan
8997
Ruth Dela Cruz Shoaf
Supplier Management
2855
Manager, Theresa Perez
3702
Davida Perez
2271
Jennifer Reyes
Travel
6273
Manager, Muriel Marroquin
8106
Esther Cunningham
2368
Teresa Ponce
Procurement Support Services
103-6
6281
Manager, Cynthia Rowand
8900
Procurement Services Hotline & Office Support
8641
Ruby Gallegos
2893
Emmanuel Medina
System Liaisons
6281
Sr. Procurement Services Analyst/Strategic Sourcing Specialist, Cynthia Rowand