Thank you This live web event has ended. Thank you for attending. Contributors David Spiegel, MD Dr. David Spiegel, MD is a Nephrologist who did his undergraduate and Medical School work at Washington University, St. Louis, MO. Dr. Spiegel completed his Internship and Residency at Michael Reese Hospital, Chicago, IL before doing his fellowship in Nephrology at the University of Colorado Health Science Center. Currently Dr. Spiegel holds the position of Executive Medical Director, Relypsa, Inc a Vifor Pharma Group Company and he is the Global Lead for Clinical Development Nephrology.