Operational Facilities Staff
![](/sites/default/files/styles/max_1300x1300/public/default_images/blank-profile-picture.png?itok=YJ2f25jc)
Jonathan Burke
Assistant Building Manager
jonburke@sas.upenn.edu215-898-5409
Room B7, CretRead Bio
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Vladimir Hartman
Building Services Technician
Room B47 Chemistry '58 BuildingRead Bio
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Karen Knoepp-Carraro
Scientific Glassblower
B19, 1973 BuildingRead Bio
![](/sites/default/files/styles/max_1300x1300/public/Nguyen.jpg?itok=DhFW4q2s)
Cuong Nguyen
Supervisor, Material Control
nguyench@sas.upenn.edu215-898-1192
StockroomRead Bio
![Vargas](/sites/default/files/styles/max_1300x1300/public/Rico.jpg?itok=iTnHgU90)
Enrique Vargas
Sr. Building Administrator
vargas2@sas.upenn.edu215-898-8407
Room 131, 1973 BuildingRead Bio