Thierry began working as a driver at the memorial when it opened in 2004. Since 2007, he has been responsible for the good condition and cleanliness of the mass graves, gardens and buildings. He is also responsible for general maintenance including safety equipment, and ensures necessary refurbishments works at the site. Thierry has attended various training provided by international experts related to electrical engineering, plumbing, carpet fitting, and exhibition fitting. In 2011, he worked with an exhibition installation specialist to refit the Murambi Memorial exhibition. Thierry has an degree in Electronics Engineering from Kampala International University.