He is the Managing Partner of the Firm of Macharia-Mwangi & Njeru Advocates and is a Senior Advocate/lawyer of the High Court of Kenya with over 22 years experience in practice. He is a Notary Public, Commissioner for Oaths and a Certified Public Secretary. He has a Bachelors of Laws (Upper 2nd Class Hons) Degree from the University of Nairobi and a Postgraduate Diploma in Law from the Kenya School of Law. He started as a litigator battling in high profile cases. He subsequently specialized in Corporate law and conveyancing with a special focus on banking and financial services generally, mergers and acquisitions, joint ventures, property law, consulting, set up of start ups, restructuring of companies, Corporate governance and general Commercial advise. He is a past Chairman of Fina Bank Rwanda (now GT Bank Rwanda), was a Board member of Fina Bank Kenya(now GT Bank Kenya) for over 7 years and Fina Bank Uganda(now GT Bank Uganda) until 2013 when he left the respective Boards. He was further a Director with Kenya Airports Authority for 3 years and was instrumental in negotiating and structuring of the financing of Jomo Kenyatta International Airport expansion.
Mr. Njeru sat in the task force on police reforms of the National Police Service, and was the Team Leader responsible for developing the Legislation restructuring the National Police Service in line with the new Constitution of Kenya. He is currently the Chairman of the Board of Independent Policing Oversight Authority.
Mr. Njeru has wide experience in legal transactions in the entire East Africa Region. He is a member of the Law Society of Kenya, the Institute of Certified Public Secretaries and East African Law Society.