Stefan Dehne is Senior Technical Sales Manager for EnviTec biogas USA. He has 15 years of professional experiences in biogas and biogas upgrading technology including International sales management, engineering, management, and research. Stefan also has experience with biogas plants in development and design; international experience with different kinds of country, climatic, and geologically- specific requirements. He holds a Bachelor Degree in Mechanical Engineering and is a Certified Electrician and Apprenticeship Specialist.