| Máté | Szabados | HungaroMET | Hungary | Environmental Science | environment and health | worldtopscientists.com |
| Massart | Alain | Coimbra University | Portugal | Other | Nutrition and Sports Sciences | worldtopscientists.com |
| Masoumeh | Bararzadeh Ledari | Amirkabir University of Technology | Finland | Energy | Modeling | worldtopscientists.com |
| Masoud | Deyranlou | Islamic Azad University | Iran | Engineering | Optical Networking | worldtopscientists.com |
| Maryam | Mahmoudzadeh | Tabriz University of Medical sciences | Iran | Agricultural and Biological Sciences | Shelf life estimation | worldtopscientists.com |
| Martina | Torricelli | Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati" | Italy | Biochemistry, Genetics and Molecular Biology | Nutrigenomica | worldtopscientists.com |
| Martin | Ostoja-Starzewski | University of Illinois at Urbana-Champaign | United States | Engineering | mechanics | worldtopscientists.com |
| Marta | Kwiatkowska | Military Institute of Medicine | Poland | Medicine and Dentistry | Otolaryngology | worldtopscientists.com |
| Marta C | Monteiro | Universidade Federal do Pará | Brazil | Pharmacology, Toxicology and Pharmaceutical Science | Saúde, Ciências Farmacêuticas, Produtos naturais | worldtopscientists.com |
| Mark | Korang Yeboah | University of Duisburg Essen | Germany | Engineering | Biochemical Engineering | worldtopscientists.com |
| Marius | Manole | UMF “Iuliu Hatieganu” Cluj-Napoca | Romania | Dentistry | Biomaterials | worldtopscientists.com |
| Maritza Felisa | Díaz Gómez | Universidad Andres Bello, Escuela de Química y Farmacia | Chile | Chemistry | Ciencias Farmacéuticas, Profesional de la Salud | worldtopscientists.com |
| Mario | Flores | University of Texas at San Antonio | United States | Biochemistry, Genetics and Molecular Biology | Computational Biology | worldtopscientists.com |
| Marília | Dourado | Faculdade de Medicina -Universidade de coimbra | Portugal | Medicine and Dentistry | Medicina Paliativa e Medicina da Dor | worldtopscientists.com |
| Marija | Koprivica | Institute for Technology of Nuclear and Other Mineral Raw Materials | Serbia | Environmental Science | Waste Management and Biosorption | worldtopscientists.com |
| María Salomé | Álvarez | Universidade de Vigo | Spain | Chemical Engineering | química | worldtopscientists.com |
| Maria | Morales-Suárez-Varela | Valencia University (Spain) | Spain | Pharmacology, Toxicology and Pharmaceutical Science | medicine and pharmacy | worldtopscientists.com |
| maria livia | ognean | Lucian Blaga University Sibiu | Romania | Biochemistry, Genetics and Molecular Biology | Genetics | worldtopscientists.com |
| María Inmaculada | Mohino-Herranz | INTA | Spain | Engineering | Inteligencia Artificial | worldtopscientists.com |
| MARIA | HRMOVA | Adelaide University | Australia | Biochemistry, Genetics and Molecular Biology | Computational biology | worldtopscientists.com |