Professors and Researchers of the Hellenic Health Foundation (HΗF) are included in the "Highly Cited Researchers(h>100)" ranking of Webometrics. This list is compiled twice a year, based on information from the public profiles of University Professors and Researchers on Google Scholar. It records university professors and researchers who, with their writing and research work, have exerted significant influence on science throughout time.

The updated rankings which were recently published, concern data collected in the second week of March 2022. It includes 5,882 Highly Cited Researchers, i.e. researchers with an h-index > 100. In other words, it includes researchers who have at least 100 research papers, who have been cited as an authoritative reference by at least 100 other researchers in their papers.

The HHF Professors with the significant research impact worldwide are in order of h-index: the late Professor Dimitris Trichopoulos with an h-index of 169 and 122,336 citations, Professor Antonia Trichopoulou with h-index 154 and 139.072 citations.