Klaus has extensive experience in Sri Lankan graphite having led the exploration, development and production of a narrow vein graphite underground mine in Melsiripura, Sri Lanka. Among his achievements he was able to increase production from 15 to 180 tonnes per month through process changes and without additional capital deployment. He was also responsible for establishing safe work conditions, built a reliable and performing workforce, optimizing the graphite beneficiation-process, transforming a batch plant into a continuously operating plant, organizing a functioning Quality Control Laboratory & procedures, establishing export procedures and managing human resources and work safety training.