Company Medical Adviser, Nigerian Breweries Plc
Dr. Onyia is a Fellow, of the West African College of Physicians (in Paediatrics) (FWACP), holds a Bachelor of Medicine (MB BS) from the University of Ibadan. She is responsible for the health of about 2,000 employees and their 6,000 dependants, development and implementation of corporate medical policy, implementation and monitoring of a managed care scheme for the company, health care of employees (2000-3000) and (6000-8000) via 5 clinics in 5 different cities, 2 HMOs and 18 major healthcare providers nationwide participate in Nigerian Breweries responsibility management projects such as the Alcohol policy and Health & Safety and driving Health and safety within NB’s 5 breweries .
She also advises on and implements medical policy for expatriates working in NB Plc.

For community involvement, she runs a church clinic one Saturday a month and is a regular visitor and treatment in motherless baby homes.