These files contain the presentations made by the HMI team to the GSFC review team on 13 March 2003. The morning session was the Instrument System Requirements Review and was held at Stanford. The file HMI_ISRR.pdf contains the presentation. The afternoon session was the preparation for the SDO System Concept Review and was held at Lockheed. The file HMI_SCR-Prep.pdf contains the presentation. The SCR will be at GSFC on 8-10 April.