Our Chief Scientist, Dr. David O’Keefe, has had a long career in the interface of the fields of soil science, solid waste and wastewater treatment, and agronomy. His lengthy list of accomplishments includes the successful application of anaerobic digestion and aerobic composting systems in the treatment of solid and liquid waste. In addition, he has developed and patented technology for biological nutrient removal from agricultural and industrial wastewater. His work involves process design, startup, commercialization, and the trouble shooting of treatment systems.
Dr. O’Keefe’s experience as a scientist and microbiologist encompasses commercial work as well as basic and applied research. To date, he has published over thirty articles and book chapters. Dr. O’Keefe is also the inventor of the Biphase Orbicular Bioreactor and holds patents in the field of anaerobic digestion and biological, wastewater treatment. He is an avid sportsman and once played guitar in Bo Diddley’s band.
PurposeEnergy is an established US-based renewable fuels and biogas specialist focused on waste solutions for the food and beverage industries. Over the last 15 years, PurposeEnergy has developed, owned, and operated multiple projects that convert organic waste streams to biogas for use in industrial processes, conversion to renewable electricity or refinement to Renewable Natural Gas (“RNG”). PurposeEnergy is a portfolio company of Quinbrook.
