Jan Karel Mak is an entrepreneur, engineer and environmental scientist. He is the CEO of international design/engineering firm Deerns Group and serves as a board member of young tech firms and charities. Leader and entrepreneur with a demonstrated history of success in the professional services industry. Aims to help building a more sustainable world. Team & business builder in an international environment. Strategic developer, operational implementer. Governance experience in businesses and charities, sports, education. Reader. 5 languages.