Sonja de Klerk, based in Johannesburg, GP, ZA, is currently a Lead of Quality, Environment and Sustainability at Zutari, bringing experience from previous roles at Aurecon. Sonja de Klerk holds a ESS. With a robust skill set that includes Quality Management, Quality Auditing, Quality Assurance, Quality System, Business Process Improvement and more, Sonja de Klerk contributes valuable insights to the industry. Sonja de Klerk has 1 email and 1 mobile phone number on RocketReach.