Mrs. Ednah Nwaiwu, Founder/CEO/Managing Director of St. John’s Lab Ltd is a graduate of University of Nigeria, Nsukka (1984) in Biochemistry/Microbiology. She is an entrepreneur who has raised the bar in the provision of Medical Laboratory Services in Nigeria, particularly the Eastern part of the country.

She started St. John’s Lab in May 1997 with a vision to deliver fast, efficient and accurate results at our one-stop, state-of-the-art diagnostic centers. She is also a board member to JB Pharmaceuticals Ltd, St. John’s Medical Imaging and several other companies.Under her leadership, St. John’s Lab has won many awards from Medical Associations within and outside the country.

ST JOHN’S LABORATORY LIMITED is a privately owned company, established in 1997 and incorporated as a limited liability company in 1998 for the purpose of offering efficient and effective medical laboratory services. The company is registered with the Medical Laboratory Science Council of Nigeria (MLSCN) and Lagos and Imo States Ministry of Health.The company’s headquarter is at 38 MCC road, Owerri, Imo state. St. John’s Laboratory has grown to become a household name in Imo state and it’s environs largely due to the quality of its services. To enable the company achieve its objective of serving the nation better, St John’s Lab has established a branch office situated at JB House, 40B Commercial Avenue, Sabo - Yaba, Lagos.