Our Staff
Dr. Marc Feder

Chicago, IL Podiatrist
Affiliated Podiatrists, LTD.
Dr. Marc Feder has over 35 years of experience in treating people with foot and ankle problems. Dr. Marc is board certified in Podiatric Surgery and Podiatric Medicine. He holds fellowships in Foot Surgery and Foot Orthopedics and is an accomplished lecturer. Dr. Marc is active in the profession and in his community. He served as Examinations Chairman of the American Board of Podiatric Orthopedics. Dr. Marc was named the William Scholl College of Podiatric Medicine’s "2013 Alumnus of the Year". He holds special interest in nutrition and other integrative medicine approaches. Married over 35 years, and the father of two married sons and two granddaughters, his hobbies include fitness, gardening and organization leadership.
Dr. Jason Kalk

Chicago, IL Podiatrist
Affiliated Podiatrists, LTD.
Dr. Jason Kalk, graduated with honors from the Dr. William M. Scholl College of Podiatric Medicine with his Doctorate of Podiatric Medicine. He completed advanced surgical training with a three year residency in Podiatric Medicine and Surgery at Our Lady of Lourdes Memorial Hospital in Upstate, NY under the tutelage of Dr. Guido LaPorta. Dr. Kalk has special interest in Forefoot & Rearfoot Surgery, Charcot Foot Reconstruction, Limb Salvage, and Ankle Arthroscopy. He is the Director of Podiatric Residency Training at Swedish Covenant Hospital. Dr. Kalk is certified with WoundCare by the American Board of Wound Management and is a member of the American Podiatric Medical Association, Illinois Podiatric Medical Association, and the American College of Foot and Ankle Surgeons. Dr. Kalk was raised in Upstate, NY and proudly served in the United States Air Force. His hobbies include weight training, fitness, and motorcycles. He enjoys spending quality time with his wife, children and his dogs.
Dr. David A. Kretch

Chicago, IL Podiatrist
Affiliated Podiatrists, LTD.
Dr. David A. Kretch, originally from Cleveland, Ohio, earned his bachelor’s degree from Ohio State University and his doctorate in Podiatric Medicine from Kent State University. He then completed his residency training in Podiatric Medicine and Surgery at Rush University Medical Center within the Department of Orthopedics. This program also awarded him added credentialing in reconstructive rearfoot and ankle surgery, while learning the latest and most advanced techniques by leading podiatric and orthopedic surgeons in the Chicago area. He also completed a mini fellowship in dermatopathology at Bako diagnostics. These exposures have prepared Dr. Kretch for a comprehensive podiatric practice, where he routinely employs evidence-based protocols in the surgical and medical treatment of foot and ankle pathology. However, he takes a conservative approach and reserves surgery for those who have exhausted all other options. Dr. Kretch prides himself in taking care of his patients as if they were members of his own family. Outside of medicine, he is an avid Cleveland sports fan and enjoys traveling, fine dining, and yoga.
Dr. Jacob M Richey
Chicago, IL Podiatrist
Affiliated Podiatrists, LTD.
Dr. Jacob M Richey is a graduate of Dr. William M Scholl College of Podiatric Medicine where he obtained his Doctorate in Podiatric Medicine. Dr. Richey received his advanced forefoot and rearfoot/ankle reconstruction surgical training at Our Lady of Lourdes Memorial Hospital in Binghamton, NY under the training and mentorship of Dr. Guido LaPorta and Dr. Darren Weinheimer. Dr. Richey specializes in the treatment of painful bunions, hammertoes, flatfoot, ankle disorders, and limb preservation techniques. In Dr. Richey’s free time he enjoys weight training, participating in obstacle-based races, and spending time with his lovely new bride.
Dr. Joel Feder

Chicago, IL Podiatrist
Affiliated Podiatrists, LTD.
Dr. Joel Feder had been the Senior Partner of Affiliated Podiatrists for the past 10 years, and he had cared for our patients for 50 years. Recently, he retired from active practice and now holds Emeritus status with our group. Dr. Feder served as a mentor to countless students and colleagues. Among his many awards, he received the American Podiatric Medical Association's "Distinguished Service Citation", our profession's highest honor.