*Not all faculty members will be at all programs. Faculty list is subject to change.

Sean Armstrong, MD
Activity Director, PD University Program
Manitoba Renal Program, Seven Oaks Hospital
University of Manitoba, Winnipeg, Canada
Associate Professor at the University of Manitoba


Dr. Armstrong is the Activity Director for the PD University Program, administering over both the PD University for Surgeons and the PD University for Interventionalists courses. He also serves as the Chairperson for the Interventional course.

As a practicing interventional nephrologist, Dr. Armstrong is not only interested in image-​guided percutaneous peritoneal catheter placement but also promotes the surgeon's role in providing peritoneal access by advanced laparoscopic techniques. He is renowned for his expertise in both surgical and interventional education including the development of various training tools for physicians. Dr. Armstrong is the Medical Director for the Seven Oaks Hospital Renal Program and holds an academic appointment as Assistant Professor at the University of Manitoba, Winnipeg, Canada. Professional memberships include the International Society for Peritoneal Dialysis.

John H. Crabtree, MD
Chair, ISPD’s PD University for Surgeons-​North America
Activity Director, ISPD’s PD University for Surgeons-​Europe
International Society for Peritoneal Dialysis
Visiting Clinical Faculty, Harbor-​UCLA Medical Center, Torrance, CA

Dr. Crabtree is a general surgeon. He completed his medical training and residency at the University of Arkansas for Medical Sciences Campus in Little Rock, Arkansas. Dr. Crabtree currently serves as Visiting Clinical Faculty at Harbor-​UCLA Medical Center. His clinical research interest focuses on issues related to peritoneal dialysis access. He pioneered modifications and enhancements to the laparoscopic placement of peritoneal dialysis catheters resulting in greatly improved catheter outcomes for peritoneal dialysis patients. Dr. Crabtree has authored numerous articles covering dialysis catheters, implantation techniques, and resolution of dialysis access complications. Currently, Dr. Crabtree is the Chairperson for PD University for Surgeons in North America, part of a global education effort sponsored by the International Society for Peritoneal Dialysis. He is the Activity Director for ISPD-​sponsored surgeon education programs in Europe.

Paul E. Dybbro, MD
Vascular & Interventional Radiology
Kaiser Permanente Northern California
Hayward, California

Dr. Paul Dybbro practiced as a neuroradiologist and interventional radiologist and has over 20 years of experience at Kaiser Permanente, a large group practice serving Northern California.  He has worked in a collaborative fashion with Nephrology and Surgery to provide integrative care for a growing end stage renal disease patient population. Since 2005, he has developed an active image-​guided percutaneous peritoneal dialysis catheter implantation program at Kaiser Permanente and has placed over 400 catheters. He has co-​authored publications regarding the placement of peritoneal dialysis catheters. Dr. Dybbro’s experience in the care and treatment of hemodialysis patients generated his interest in peritoneal dialysis as an alternative approach for renal replacement therapy with decreased patient morbidity and improved quality of life.

Arsh Jain, MD, FRCPC, MSc
Assistant Professor of Medicine, University of Western Ontario, London, Ontario, Canada
Nephrologist, London Health Sciences Centre

Dr. Arsh Jain is an Assistant Professor of Medicine at the University of Western Ontario. He is a practicing Nephrologist at the London Health Sciences Centre and his clinical expertise is in the area of Peritoneal Dialysis. Dr. Jain conducts clinical and health services research to improve health outcomes for patients with kidney diseases. He is the lead physician for the peritoneal dialysis access program and is program director for the Home Dialysis Fellowship.

Venkataramu (Venkat) N. Krishnamurthy, MD

Clinical Professor, Department of Radiology and Department of Vascular Surgery
Vascular and Interventional Radiology Division
University of Michigan Hospitals
Ann Arbor, Michigan

Dr. Krishnamurthy is the Director of Interventional Radiology and Chief of Radiology Services at the VA Ann Arbor Healthcare System. He is engaged extensively in education and research with special interests in vascular interventions. Dr. Krishnamurthy’s expertise includes image-​guided implantation of peritoneal dialysis catheters. Along with other thought leaders in peritoneal dialysis access, he is involved in developing best practices for catheter insertion by interventional radiologists. He has authored and coauthored numerous scientific articles and book chapters on a variety of topics concerning radiological interventions. Among Dr. Krishnamurthy’s professional society memberships are Society of Interventional Radiology, American Roentgen Ray Society, Radiological Society of North America, American College of Radiology, and Society of Vascular Medicine and Biology.