AFRICA | 28- year-old, Purity Ngina made history as the youngest person in Kenya to earn a PhD in Biomathematics from Strathmore University.
Her achievement represents years of resilience, academic discipline, and personal sacrifice from struggling in her early school years to becoming one of Kenya’s youngest PhD holders in a highly technical STEM field.
Purity's Story and How She Did It
Purity was born in Nyeri County, Kenya, and raised by her single mother in a modest background. She did not grow up with academic mentors or elite educational support.
In primary school, she scored 235 marks in the Kenya Certificate of Primary Education (KCPE) exam, which limited her immediate academic prospects. However, her mother believed deeply in her potential and encouraged her to retake the exam.
On her second attempt, Purity dramatically improved her score to 369 marks, proving that early setbacks do not define future success. That moment became the turning point in her academic life.
Purity began her university education at Egerton University, where she earned a Bachelor’s degree in Education Science, graduating with First Class Honours. She later completed a Master’s degree in Applied Mathematics at the same institution in 2015.
Her academic excellence and passion for mathematical sciences led her to pursue doctoral studies. In 2016, she enrolled at Strathmore University and completed her Doctor of Philosophy (PhD) in Biomathematics, Bioinformatics, and Computational Biology.
Her research focused on applying mathematical models to biological systems, a complex and highly specialized interdisciplinary field that combines mathematics, computing, and the life sciences.
With this accomplishment, became the youngest academic in Kenya to earn a PhD in Biomathematics.
During her doctoral journey, she also gained international exposure, including academic collaboration at Brandenburg University of Technology Cottbus-Senftenberg, strengthening her research profile.
In 2017, tragedy struck when her mother passed away. The loss was devastating, and her mother had been her greatest supporter and the driving force behind her academic perseverance.
Purity often wished her mother could witness her doctoral achievement. Rather than giving up, she became even more determined to complete her PhD in her mother’s honor, turning grief into motivation.
Before completing her PhD, Purity served as a Doctoral Fellow at Strathmore University, supporting research and academic programs while finalizing her dissertation.
Upon earning her doctorate, she began lecturing at the university and became an active contributor at the Strathmore Institute of Mathematical Sciences, teaching and conducting research in Biomathematics.
At just 28, she had already established herself as a respected academic voice in Kenya’s STEM community. Her excellence did not go unnoticed. In 2019, she received the STEM Award at the African Women Diplomatic Forum in Canada, recognizing her impact in science and mathematics.
In 2024, she was honored with the Moran of the Order of the Burning Spear (MBS) by William Ruto during Kenya’s Jamhuri Day celebrations, a prestigious national recognition for distinguished service.
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