Gary Ritchie is a Industry Consultant at The FDA Group, LLC. Colleagues describe them as "I worked with Gary Ritchie for 12 years at Purdue Pharma. and known him personally for approximately 25 years. Gary is a passionate and innovative Scientist that can successfully troubleshoot and solve difficult analytical problems. Gary has a thorough understanding of gas and liquid chromatographic separations for raw materials, active pharmaceutical ingredients, and finished pharmaceutical dosage forms. He also has extensive experience in pharmaceutical dissolution testing. He understands regulatory cGMP requirements for drug substances and drug products in the pharmaceutical industry. In the area of Organic Spectroscopy, Gary developed Near-Infrared identification and assay methods. He has extensive knowledge in Mid-Infrared and Near-Infrared Spectroscopy. After he left Purdue Pharma, he worked at the USP and wrote the guidance documentation for Near-Infrared Spectroscopy. He has been an influential stakeholder and contributor in the field of Organic Spectroscopy. Gary managed Scientist at Purdue Pharma. that were highly productive. He was highly respected by his managers and peers. Gary is an exceptional Analytical Chemist and Manager and has demonstrated his abilities in these areas throughout the time that I have known him. I have relied on Gary’s advice and opinions throughout the years I have known him. I would not hesitate to recommend or hire Gary for a Management or Senior Scientist position. " and "Gary is an incredibly hard worker who will not stop before finding an answer to any problem. He has become quite proficient at Near-Infrared, Chemometrics, and process analytical chemistry. I would recommend Gary for any position in the industry."