Perttu Mattila is a Sustainable Risk Management of Contaminated Soils at Sitowise. They possess expertise in water treatment, environmental engineering, remediation, in situ chemical oxidation, soil and 15 more skills. Colleagues describe them as "Perttu and I worked together for years in Doranova while he was working as a project manager and divisional director for contaminated soils. Perttu has excellent technical skills for designing and managing projects and he has an innovative approach when it comes to finding new solutions and applying new technology. Beyond this, I have always especially valued Perttu's structured and pragmatic management approach. Perttu is a true professional and a pleasure to work with!"