Patrick Hirl, P.E., Ph.D
Director of Biogas Engineering
Dr. Hirl is responsible for project delivery of all major biogas design and construction efforts for the firm. He is highly skilled at process technology selection and design optimization, and is the author of over 40 technical articles on such topics. All project deliverables including schedules, budgets, and submittals fall under his purview. Pat has his Ph.D. in Environmental Engineering from Notre Dame University, is a registered Professional Engineer, and holds several process patents.