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PHD

PhD,BSN,MSN,MSc

Dr. Nigus Asefa

Dr. Nigus Asefa is a postdoctoral researcher at the National
Institute on Aging in the United States, focusing on aging
research. He completed his Ph.D. in Genetic Epidemiology in
November 2021 in the Netherlands, with a dissertation titled
"Genetics and Epidemiology of Glaucoma and Myopia." To
enhance his expertise, he attended advanced courses at renowned
institutions, including the University of Washington, Vrije
Universiteit Amsterdam, and Columbia University. He holds an
Advanced Diploma in Reproductive Health and Rights from Lund University, a Master’s degree
in Public Health from Mekelle University in 2014, and a Bachelor’s degree in Pharmacy from
Addis Ababa University in 2007. [+]

Public health

125 Lessons

Dr. Getachew Kassa

Dr. Getachew Kassa earned his PhD in Reproductive Health, a Master of Science, and a
Bachelor of Science in Nursing. Dr. Kassa is a 2018 Impact Evaluation Fellow of the East Africa
Social Science Translation (EASST) Collaborative at the University of California, Berkeley; a
2021 Contextualizing Impact Evaluation Pedagogy in Africa (CIPA) Fellow; a 2019 Research
Transparency and Reproducibility Fellow; and a 2018 Policy Communication Fellow. Dr. Kassa
completed postdoctoral research at the Harvard T.H. Chan School of Public Health, focusing on
maternal and child health epidemiology. [+]

Public health

125 Lessons

Dr. Ashenafi

Dr. Ashenafi S. Cherkos has over 17 years of expertise in teaching, research, biostatistics, data
analysis, and data science. Holding a PhD in Epidemiology, he has taught graduate-level
courses in epidemiology, biostatistics, and research methods. He has extensive data analytics
and AI/ML training and is proficient in tools such as spreadsheets, SPSS, STATA, Epi Info, R,
Python, and SQL. Dr. Cherkos has advanced expertise in survey and longitudinal analysis for
observational and clinical trials. He has developed survey questionnaires for multiple studies
and supervised and coordinated multiple data collection activities. [+]

PhD

PhD, Biography

Dr. Hayelom Kebede

Dr. Hayelom Kebede Mekonen is an accomplished academician and researcher with a robust
background in anatomy, developmental biology, and neuroscience. He earned his Ph.D. in
Developmental Biology (Embryology) from Maastricht University, The Netherlands, an M.Sc. in Human
Anatomy from Addis Ababa University, Ethiopia, and a B.Sc. in Biology from the same institution.
Currently, he serves as an Assistant Professor and Gross Anatomy Course Director at the University of
Maryland, Baltimore, with a primary appointment at the School of Dentistry and a secondary
appointment at the School of Medicine. [+]

PhD

PhD, Biography

Dr. Tegegne

Dr. Tegegne is an accomplished epidemiologist and public health
professional with over 10 years of expertise in health research
design, data analytics, and project leadership. Currently a Research
fellow at the National Institute on Aging, NIH, Dr. Tegegne conducts
research exploring the relationship between the gut microbiome,
aging, and brain health. His work emphasizes meticulous data
analysis, protocol development, and dissemination of findings in peer-reviewed journals and
conferences. [+]

PhD

PhD, Biography

Dr. Girmay Desalegn Tarekegn

Dr. Girmay Desalegn Tarekegn is an experienced biomedical researcher and educator with over
a decade of expertise in immunology and vaccine development for infectious diseases. He
combines advanced scientific knowledge with a proven track record of delivering innovative
solutions to complex global health challenges. Dr. Tarekegn earned his PhD in Immunology from
Hannover Medical School, Germany, and has held key academic and research leadership roles
at prestigious institutions, including Jimma University and Mekelle University in Ethiopia, and the
Center for Vaccine Development and Global Health (CVD) at the University of Maryland, USA.
At CVD, he led NIH-funded projects to develop vaccines targeting Shigella, making significant
contributions to global public health efforts. [+]

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