Loyd Allen is currently Editor-in-Chief of the International Journal of Pharmaceutical Compounding, CEO of the Midwest Institute of Research and Technology, and Professor Emeritus of The University of Oklahoma College of Pharmacy. He obtained his B.S. and M.S. in Pharmacy degrees from The University of Oklahoma College of Pharmacy in 1966 and 1970, respectively. After completing a residency in hospital pharmacy at the U.S. Public Health Service Hospital in Boston, Massachusetts, he entered graduate school at the University of Texas at Austin and obtained the Ph.D. degree in Pharmaceutics in 1972.

Loyd taught at The University of Oklahoma College of Pharmacy, opting for early retirement in 1998, where he was Professor and Chair of the Department of Medicinal Chemistry and Pharmaceutics. In 1996, he founded the International Journal of Pharmaceutical Compounding. He has also served as a consultant in pharmacy and pharmaceutics to several pharmaceutical companies.

As a university professor, Loyd mentored many advanced degree students. He was also awarded 11 patents in the field of drug formulations, with others pending, both nationally and internationally. He has over 100 experimental publications in peer-reviewed scientific journals and numerous other abstracts, books, book chapters, and monographs.

Loyd has served as a member of the United States Pharmacopoeia (USP) Committee of Revision, 1990 to 2000, and is currently Chair of the USP's Expert Committee on Pharmacy Compounding. The U.S. Food and Drug Administration has appointed him to its Advisory Committee on Pharmaceutical Compounding. Throughout the years, he has served in numerous positions in the APhA.

Loyd is a Fellow of the American Foundation for Pharmaceutical Education (1968), the American College of Apothecaries (1995), the American Pharmaceutical Association-Academy of Pharmaceutical Research and Science (1996), and the International Academy of Compounding Pharmacists (1998). He received the J. Leon Lascoff Memorial Award for Outstanding Service to the Profession of Pharmacy, the highest award given by the ACA, in 1998. He also received the "Stimulation of Research Award from the APhA in 1998.

Loyd continues to be active in teaching pharmacy courses, both on-site and on-line, at universities throughout the United States. He is currently working on two international projects involving new drug product formulations and his research interests continue to be in drug dosage form design/development and drug stability/compatibility.