Our Team Michael Stil, Environmental Manager, recycled materials and project estimations Michael Stil has grown up in the demolition industry and is now one of Nikau's most valuable team members through his technical knowledge and expertise on a wide variety of challenging projects..   Helina Stil, Health and Safety Manager Helina Stil has grown up in the demolition industry and has extensive knowledge and expertise in practical solutions for the safety of Nikau personnel..   Neil Colledge, Asbestos Supervisor Neil has been working for Nikau for just under 10 years and is a registered drainlayer and plumber.   Mark Levin, Asbestos Supervisor Mark is an invaluable member of Nikau's team and bring extensive knowledge from the hire and safety industries.