As a co-founder of Parapet Group and a past Chairman who has served Parapet successfully for 25 years since its inception, is currently overseeing the management and administration of Parapet Limited, and has over 35 years of experience in the cleaning industry and has served as a consultant in this field for many years.

David Kiengo was trained at S.C Johnson International in the UK on effective cleaning materials and the use of allied equipment. With this extensive knowledge, he has been actively involved in recommending cleaning products suitable for the Kenya market and developing the cleaning industry as a whole. The result is that products are now being produced locally and to international standards since 1979.