John Walsh, PA is a Physician Assistant and Diabetes Clinical Specialist with Advanced Metabolic Care and Research. He has provided clinical care for patients with diabetes for more than 30 years, including thousands of people on insulin pumps. He is co-author of Pumping Insulin, now in its 5th edition, Using Insulin, STOP the Rollercoaster, and The Pocket Pancreas. President of the Diabetes Mall, he is also webmaster of diabetesnet.com, a highly trafficked source of diabetes information and technology visited by 6,000 people a day, and opensourcediabetes.org. John is a consultant and advisory board member for pharmaceutical and device corporations and a frequent speaker on diabetes, insulin pump therapy, bolus calculators, infusion set design, glucose management, and the future of smart pumps, meters and continuous monitors. His recent research, published in the Journal of Diabetes Science and Technology, explores the dosing and behaviors that lead to successful glucose outcomes by pump wearers. John has worn nearly every insulin pump and CGM available and is a sub-investigator on numerous research studies on diabetes drugs and devices.