The interview on Show 63 is with Paul Byrnes.\xa0 We discussed the CMMI, Multiple Models and Process Improvement.\xa0 In today\u2019s financial environment it is important to know what drives good change and whether disparate models work well and play well together.\xa0 This was one of the basic threads of our conversation.As an Air Force officer Paul was responsible for managing advanced software technology transition projects at Hanscom AFB, MA. These were typically joint government/industry funded projects aimed at significantly improving the efficiency of DoD software development processes and services. At the SEI, Paul was the SEI CMM\xae Based Appraisal (CBA) Project Leader. Responsible for developing all published versions of SCE and the initial CBA IPI method (V0.3). A principal developer of the CMM\xae Appraisal Framework (CAF). Developed, delivered, and managed teams delivering CMM based appraisal methods and training services.At ISD, as a founder, principal, Managing Director, and CTO, Paul was the principal architect of ISD\u2019s Comprehensive Appraisal Method (CAM); a draft version was an input method to SCAMPISM V1.1. He was responsible for managing, leading development, and also delivering all standard ISD products for their appraisal, consulting, and training service lines.Paul is a currently a member of the SCAMPI LA BoK Advisory Board and a member of its High Maturity Working Group. He is currently participating on the Enterprise SPICE Architecture Team and the SCAMPI V1.3 Upgrade Team. Paul was included in the 1995 Who\u2019s Who in the East, the 1998 Who\u2019s Who in Media and Communications, the 1999 Who\u2019s Who in America, and the 2000 Who\u2019s Who in the World.Contact information:Email:\xa0 pdbyrnes@isd-inc.comWebsite: \xa0\xa0 \xa0http://isd-inc.comTell a friend about the Software Process and Measurement Cast and show them how to subscribe.\xa0 Let me know and I will acknowledge you on the next show! \xa0The essay is titled \u201cUsing Functional Metrics in Agile Estimation Part 3\u201d.\xa0 The essay explains how to integrate the discipline of functional metrics into agile metrics techniques.\xa0 Remember that parts one and two were included in SPaMCAST 61 and 62.Join the SPaMCAST\u2019s community by joining the SPaMCAST Facebook page and get involved!!!!\xa0 http://tinyurl.com/62z5elThere are a number of ways to share your thoughts with SPaMCAST: \u2022\xa0\xa0\xa0 Email SPaMCAST at spamcastinfo@gmail.com\u2022\xa0\xa0\xa0 Voice messages can be left at 1-206-888-6111\u2022\xa0\xa0\xa0 Twitter \u2013 www.twitter.com/tcagley\u2022\xa0\xa0\xa0 BLOG \u2013 www.tcagley.wordpress.com\u2022\xa0\xa0\xa0 FACEBOOK!!!! Software Process and Measurement \xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 http://tinyurl.com/62z5elNext Software Process and Measurement Cast: The next Software Process and Measurement Cast will feature an interview with Carol Smith on the topic of usability.\xa0 We discussed the definition of usability, how recognize it, test it and measure it.\xa0 If you develop anything usability ought to be a central part of your practice.