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.