- Gregg Sotack has over 25 years of experience in analytical chemistry and regulatory compliance. He has extensive experience with chromatography techniques like HPLC and GC, as well as other analytical methods. - Sotack has worked in both GLP and GMP environments developing and validating analytical methods for applications in research, quality control, and manufacturing. - He has a strong background in regulatory compliance including GLP, RCRA, OSHA, and some experience with GMP. Sotack has experience managing analytical laboratories and supervising other chemists.