| Butler, Jeff L. - Richardson, TX Medical Device Failure/Investigation. Over 20 years of hospital based clinical engineering with ICU, Surgery, Emergency Room and Cardiology Specialties. Diplo |
| Spessard, John E. - Richardson, TX I have worked as a chemist, chemical engineer, environmental engineer, safety engineer and cost estimator. I have a PhD in chemistry, a MBA in finance, am a Certified Safety Professional and am licensed as an engineer in Texas and Oklahoma. |