John is currently managing consultant for Taruma Consultants LTD. He consults widely in petroleum, logistics, leadership development, performance management, and other specialities. He is heavily involved in training leaders throughout Africa.
John retired from the Kenya country leadership team of a multinational oil company as its Distribution & Operations Manager. He started his career in 1970s as a development banker before moving on to the petroleum industry.
For 40 years, he was in the national leadership of Kenya Students Christian Fellowship (KSCF, a ministry to high schools), and ended up serving as its Chief Patron. He was also in the leadership of Fellowship of Christian Unions (FOCUS, serves in universities and colleges), and ended up in a member of its Advisory Board. This has given him opportunity to mentor the youth, which he does up to date.
John speaks and writes extensively on leadership and interpersonal relations. He writes a Weekly Meditation found at www.johnnganga.org, and has authored several leadership and interpersonal relations books including Secret of Contentment, Friendship, Leadership – King David Style, A Leader’s Source of Influence, Christian Professionals – Leading in the Marketplace, The Character of an Influential Leader, Integrity – The Litmus Test of Good Leadership, Finding A Life Partner, The Leader as a Steward, A Leader’s Work Ethics, Discover Your Life’s Purpose and Christianity and Culture,Market Place Leadership-Nehemiah Style ,Marriage:Christian Or Traditional, Challenges In Marriage .
He has been in the leadership of several organizations. He is the Founding Chairman of several of them including Ethical Leadership Network(ELNET) Business Leaders Forum, Shell Pensioners Association(SHEVO), Biblica Kenya Board, Biblica Trust Fund, FOCUS Kisumu Branch, KSCF-KEAT, Mt Kinangop Girls High School , CITAM CED Department, CITAM Missions Department, and was the first Secretary when CITAM Council of Elders was established.
John studied at Kijabe and Alliance High Schools before proceeding to the University of Nairobi, Kenya, where he graduated with a Bcom.
John also holds an MA in Leadership from International Leadership University, Nairobi-Kenya, and has diverse certifications in management and petroleum operations from within and outside Kenya.
He is a member of Kenya Institute of Management (KIM), Chartered Institute of Marketing – London (CIM), and Professional Trainers Assignation of Kenya (PTAK). He also currently sits in the board of Petroleum Institute Of East Africa, chairs the Shevo board and is patron of Christian Business Professionals Fellowship (CBPF),Ex-School Of Petroleum Fellowship,etc
He continues to be a leadership trainer and a motivational speaker to many groups in and out of the country.