Brain- Thanks for brining up this important issue. As a past-president of CEPA, someone who has managed the website since CEPA's launch (minus those years as president), and helped launch CEPA's journal, I consider myself one of those CEPA leaders. In those roles I've tried to be consistent with the credentials we report. See About>CEPA Leadership on the website. As you mentioned, there is a lot of inconsistency. Lets be clear about what credentials people use and why... After an individual passes ACSM's Clinical Exercise Physiologist exam they have earned the right to use ACSM-CEP. Some CEPA leaders have also earned additional certifications, such as ACSM's Certified Exercise Physiologist (ACSM-EP) or a certification outside of ACSM. The similarity between the ACSM-CEP and ACSM-EP is unfortunately. ACSM discontinued the Registered Clinical Exercise Physiologist (ACSM-RCEP) exam and merged those individuals with the ACSM-CEP. At the same time, ACSM & CEPA started the CEPA Registry for clinical exercise physiologists as a way to acknowledge those individuals who had earned the ACSM-RCEP and future ACSM-CEPs based on criteria. Those in the CEPA registry could use RCEP today. Because you have to earn the ACSM-CEP to be recognized as RCEP, I think it is redundant to list both and personally prefer just RCEP. Not everyone agrees with me. Interestingly, individuals outside the US have not been allowed to be recognized in the CEPA registry, so I can appreciate that they might continue to use ACSM-RCEP. They did earn it. I still list both my ACSM-CEP and ACSM-RCEP under certifications on my CV. To add to the registry confusion, when you are certified by ACSM (all ACSM certifications) you are listed in the US Registry of Exercise Professionals (USREPs; http://www.usreps.org/Pages/default.aspx). I've heard chatter about considering USREPs as the newest "registry." Doesn't make sense to me, because you are automatically added to it. There are no additional criteria or board review, etc.
I also attended Matt Thomas' webinar. I thought he did an excellent job with it. What he didn't touch on is the reasons different programs might use the various titles to describe similar professionals. ACSM initially only offered the Exercise Specialist (ES) and Program Director (PD) certifications. Both were focused on cardiopulmonary rehabilitation. I earned the ACSM-ES in 1993. Since then, ACSM sun-set the PD. And they renamed the ES to Clinical Exercise Specialist (CES) and later to CEP. I bore you with this history because it might be one of the reasons for differing titles. Add to this the confusion the individual who may have preferred to use the title Exercise Physiologist over Exercise Specialist. I think the latter is the best description for most. Oh... lets not forget the additional title challenge when ACSM renamed the Health Fitness Specialist, which originally was Health Fitness Instructor, to Certified Exercise Physiologist. Despite these names changes, I can appreciate that employers might not change the title for these professionals because it may be easier said than done to rename positions through human resources.
In summary, we all need to be attentive to this issue. We all play a role in advocating for the profession. Personally, I think the most important thing to do is distinguish clinical exercise physiologists from non-clinical exercise physiologists.
Best wishes. -CAB