Onyebuchi completed an undergraduate degree in Health Sciences and graduate degree in Epidemiology and Biostatistics at the School of Health Studies and Schulich School of Medicine & Dentistry at Western University. Her Master of Sciences research explored the prevalence and correlation of anxiety symptoms in adolescents and young adults diagnosed with childhood-onset epilepsy. Her research experience has also focused on health services, along with social and psychiatric epidemiology. She is passionate about both quantitative and qualitative research methods, project management, leadership, and mentorship. Outside of work, Onyebuchi enjoys ploughing through African literature in all genres, math tutoring, volunteering, community building and mentorship. She hopes to one day compete in a 10 km race.