Four researchers from LSU’s Pennington Biomedical Research Center have been named among the world’s most highly cited scientists, according to the 2025 Highly Cited Researchers list from Clarivate Analytics.
Pennington Biomedical’s Dr. Steven Heymsfield, Dr. Peter Katzmarzyk, Dr. Eric Ravussin, and Dr. Donna Ryan are recognized among the top 1 percent of researchers whose work has demonstrated significant and broad influence in their respective fields. The list identifies scientists whose publications rank among the most cited globally over the past 11 years, as measured in the Web of Science database.
This year’s list recognizes 6,868 researchers representing more than 1,300 institutions across 60 countries and regions.
“Having four of our scientists named to Clarivate's 2025 Highly Cited Researchers list is an extraordinary achievement for Pennington Biomedical,” said Dr. John Kirwan, Executive Director of Pennington Biomedical Research Center. “This prestigious recognition, based on a decade of citation impact, identifies the world's most influential researchers – and Drs. Heymsfield, Katzmarzyk, Ravussin, and Ryan have earned their place among them. They are pioneers whose work has fundamentally changed how the world understands and addresses obesity, metabolism and public health. Their sustained excellence reflects not only their individual brilliance but the strength of our entire research community here in Louisiana.”
Pennington Biomedical’s Highly Cited Researchers:
“We celebrate the Highly Cited Researchers 2025 for advancing innovation and inspiring the global research community to tackle society’s greatest challenges with creativity and ingenuity,” said Bar Veinstein, President of Academia & Government at Clarivate, in a news release . As research environments become more complex, we are committed to upholding the highest standards of research integrity by continuing to strengthen the foundations of our Highly Cited Researchers program.”
About the Pennington Biomedical Research Center
The Pennington Biomedical Research Center is at the forefront of medical discovery as it relates to understanding the triggers of obesity, diabetes, cardiovascular disease, cancer and dementia. Pennington Biomedical has the vision to lead the world in promoting nutrition and metabolic health and eliminating metabolic disease through scientific discoveries that create solutions from cells to society. The center conducts basic, clinical, and population research, and is a campus in the LSU System.
The research enterprise at Pennington Biomedical includes over 600 employees within a network of 44 clinics and research laboratories, and 16 highly specialized core service facilities. Its scientists and physician/scientists are supported by research trainees, lab technicians, nurses, dietitians, and other support personnel. Pennington Biomedical is a globally recognized state-of-the-art research institution in Baton Rouge, Louisiana.
For more information, see www.pbrc.edu .