Carnegie Mellon University
Overview of operations
Team Leader
Steven Guenther Director of Facilities Operations

Phone: 412-268-4948

Email: sgue@andrew.cmu.edu 

Custodial Services
Brian DePalma Associate Director 

Email: depalmab@andrew.cmu.edu 

Lauren Guth  Manager of Operations Email: lguth@andrew.cmu.edu   
Christine Pudleiner Custodial Services Manager

Phone: 412-268-2036

Email: cpudlein@andrew.cmu.edu 
Work Orders Email: cleanit@andrew.cmu.edu 

Facilities Operations - Central Shops

Lenny Libbon  Associate Director

Phone: 412-268-6148

Email: ll1r@andrew.cmu.edu 

Glenn Gross Manager of Central Shops

Phone: 412-268-2276

Email: gg2q@andrew.cmu.edu 

Len Szarmach  Manager of Second Shift Email: lszarmac@andrew.cmu.edu 
Thom Thornton Manager of Central Shops

Phone: 412-268-8363

Email: tt2g@andrew.cmu.edu 

Facilities Operations - Zone Managers
John Duvall Zone Manager for West Campus

Phone: 412-268-6149

Email: jduv@andrew.cmu.edu 

Bob Giffen Zone Manager for Forbes Corridor Email: rgiffen@andrew.cmu.edu 
Ralph Hilbert Zone Manager for East Campus

Phone: 412-268-6147

Email: rh0t@andrew.cmu.edu 

George Papuga Zone Manager for Craig Street Corridor

Phone: 412-268-9052

Email: gp2j@andrew.cmu.edu 

Randy Thomson 

Zone Manager for Life Safety

Phone: 412-268-7381

Email: rthomson@andrew.cmu.edu 

Joe Vanyo Zone Manager for Housing

Phone: 412-268-6146

Email: vv26@andrew.cmu.edu 

Dave Wessell Zone Manager for Grounds and Fleet

Phone: 412-268-2920

Email: dw4v@andrew.cmu.edu 

Receiving, Storeroom, and Warehouse
Sean Connelly Manager of Storeroom

Phone: 412-268-2404

Email: scon@andrew.cmu.edu 

Michael McKerahan Manager of Receiving and Warehouse

Phone: 412-268-1031

Email: marleym@andrew.cmu.edu