• Mar. 2007: Imperial College London Outstanding questions for the standard comsological model.  Invited presentation  The Hubble constant from observations of high-redshift galaxy clusters.
• Feb. 2007: Aspen Center for Physics 2007 Winter Conference Clusters of Galaxies as Cosmological Probes. Presented contribution on Scaling Relations from SZE and X-ray Measurements
• May  2007: UCLA Lake Arrowead International Astronomical Consortium for High Energy Calibration. Joined the IACHEC group to contribute to the calibration of X-ray observations of clusters.
  

                     

• SOC member for the international conference Eight Years of Science with Chandra to be held in Hutsville, AL. Dates: 23 - 25 October, Register by 12 August!