Preston S. Walton
President
pwalton@alamedahealthsystem.org
Michaela Hayes, MHSA, GPC
Vice President of Partnerships & Engagement
mihayes@alamedahealthsystem.org
Billy Luu
Database Manager
phuluu@alamedahealthsystem.org
Brad Murdock
Director of Annual Giving & Events
bmurdock@alamedahealthsystem.org
Iesha Ely
Interim Project Coordinator
iesely@alamedahealthsystem.org
Mirella Villalpando, MPH, MSW, CHES
Director of Partnerships & Engagement
mvillalpando@alamedahealthsystem.org
Monica Canzonieri
Senior Prospect Development Analyst
mcanzonieri@alamedahealthsystem.org
Ruby Haney
Manager of Stewardship & Donor Services
rhaney@alamedahealthsystem.org
Sara Nolan
Director of Special Projects
snolan@alamedahealthsystem.org
Susan Thiemann
Director of Finance & Operations
sthiemann@alamedahealthsystem.org
