The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

Floor Coordinators (Experiment Facility Operations Group)

On-site Hours

A Floor Coordinator is always available on-site during the following hours *during Normal Operations*.

  • Monday-Friday: 8 a.m. - 10 p.m.
  • Weekends: 8 a.m. - 6 p.m.

Temporary door key cards are issued only during on-site hours.

Contact the Floor Coordinator on Duty

On-call pager:

  • From off-site phone: 630-252-0101 (enter call-back number)
  • From on-site phone: 2-0101 (enter call-back number; do not leave voice message)
  • From on-site computer: Floor Coordinator Request Page (sends text to pager and on-call cell phone) — preferred method for ESAF and radioactive sample security requests

On-call cell phone (if no reply received through pager):

  • 630-863-0808 (alternate 630-863-0829)


Floor Coordinator Contact Details

Beamline Sectors 1-4

Elizabeth Hardt

    Building 431, Room C001
    Phone: 630-252-0100

Beamline Sectors 5-8

Bruno Fieramosca

    Building 432, Room C001
    Phone: 630-252-0201


Beamline Sectors 9-12

Clay White

    Building 433, Room C001
    Phone: 630-252-0300



Beamline Sectors 13-16

John Mazzio

    Building 434, Room C001
    Phone: 630-252-0401

Beamline Sectors 17-20

Matt Spilker

    Building 435, Room C001
    Phone: 630-252-0500

Beamline Sectors 21-24

Ashley Wayman

    Building 436, Room C001
    Phone: 630-252-0602


Beamline Sectors 25-29

Shane Flood

    Building 437, Room A005
    Phone: 630-252-0600



Beamline Sectors 30-35

Steve Bogdan

    Building 438, Room C001
    Phone: 630-252-0800

Nena Moonier, Experiment Facility Operations Group Leader/APS User Safety Officer

Elizabeth Schmidt, User Experiment Oversight

Wendy VanWingeren,  Experiment Floor Operations




To comment on the contents, please contact or 630-252-9090.