Architect. Over 10 years' experience in urban environment, research, community assessments and technology development. Founder, Ikotoilet brand. Member of the board, institutions and community groups. Member: Ashoka; Lemelson Technology Group; Sussana, a global network on sustainable sanitation. Rotarian. Ashoka Fellow, on sanitation (2007). Winner of change makers competition and Hall of Fame (2008); Africa Social Entreprenuer of the Year (2009). Interests: social transformation, change in the community.