Meet the Faculty


Lawrence A. Lavery

Lawrence A. Lavery, DPM, MPH
University of Texas Southwestern
UT Southwestern Medical Center

Lawrence A. Lavery, D.P.M., M.P.H., is a Professor in the Department of Plastic Surgery at UT Southwestern Medical Center. He is also the Medical Director of the Diabetic Limb Salvage (DLS) program at Parkland Memorial Hospital and works as part of the DLS team at William P. Clements Jr. University Hospital. Dr. Lavery’s clinic and research interests involve diabetic foot complications, infections, and wound healing.

Dr. Lavery completed his undergraduate studies at Indiana University and then earned his medical degree at the Rosalind Franklin University of Medicine and Science, Dr. William Scholl College of Podiatric Medicine in Chicago. He completed a residency in podiatric medicine and surgery at the University of Texas Health Science Center in San Antonio, where he also earned a Master in Public Health. 

He is board certified by the American Board of Podiatric Surgery and a Fellow of the American College of Foot and Ankle Surgeons and the Royal College of Surgeons (Glasgow).

Prior to joining UT Southwestern in 2010, Dr. Lavery was a Professor in the Department of Surgery at the Texas A&M Health Science Center College of Medicine, Scott and White Medical Center in Temple, Texas; the University of Texas Health Science Center in San Antonio; and Loyola University Medical Center in Maywood, Illinois. He has also served as a staff podiatrist at VA hospitals in San Antonio and Maywood, Illinois.

Dr. Lavery’s research group has published over 320 peer reviewed scientific paper and textbook chapters. His H-index is 91. They have received research funding from the National Institutes of Health, Agency for Health Care Policy and Research, American Diabetes Association, Veterans Administration, Qatar National Research Foundation, American College of Foot and Ankle Surgeons, American Podiatric Medical Association, and private industry.

Lee C. Rogers

Lee C. Rogers, DPM, FFPM, RCPS
Chief of Podiatry
Associate Professor
Department of Orthopedics, University of Texas Health, San Antonio

  • Chief Medical Officer, Amputation Prevention Experts (APEx) Health Network
  • Board of Directors, American Board of Podiatric Medicine
  • Associate Editor, Journal of the American Podiatric Medical Association
  • Faculty, Royal College of Physicians and Surgeons of Glasgow

Dr. Lee Rogers is a fellowship-trained podiatric surgeon who specializes in diabetic foot ulcers and lower extremity complications of diabetes. He has authored more than 150 peer-reviewed manuscripts and book chapters and delivered more than 500 lectures in all 50 states and 30 countries. Dr. Rogers is on the Board of Directors of the American Board of Podiatric Medicine. He is a Fellow Faculty of Podiatric Medicine of the Royal College of Physicians and Surgeons of Glasgow. He was named as one of America's Most Influential Podiatrists by Podiatry Management Magazine.


David D. Armstrong
Phd, DPM

Dr. Armstrong is Professor of Surgery with Tenure at the University of Southern California. Dr. Armstrong holds a Master of Science in Tissue Repair and Wound Healing from the University of Wales College of Medicine and a PhD from the University of Manchester College of Medicine, where he was appointed Visiting Professor of Medicine. He is founder and co-Director of the Southwestern Academic Limb Salvage Alliance (SALSA). 

Dr. Armstrong has produced more than 615 peer-reviewed research papers in dozens of scholarly medical journals as well as over 100 books or book chapters. He is founding co- Editor of the American Diabetes Association’s (ADA) Clinical Care of the Diabetic Foot, now entering its fourth edition. 

Dr. Armstrong was selected as one of the first six International Wound Care Ambassadors and is the recipient of numerous awards and degrees by universities and international medical organizations including the inaugural Georgetown Distinguished Award for Diabetic Limb Salvage. In 2008, he was the 25th and youngest-ever member elected to the Podiatric Medicine Hall of Fame. He was the first surgeon to be appointed University Distinguished Outreach Professor at the University of Arizona. He was the first podiatric surgeon to become a member of the Society of Vascular Surgery and the first US podiatric surgeon named fellow of the Royal College of Surgeons, Glasgow. He is the 2010 and youngest ever recipient of the ADA’s Roger Pecoraro Award, the highest award given in the field. 

Rodica Busui

Rodica Busui (Pop-Busui) MD, PhD, is the Larry D. Soderquist Professor of Diabetes, and a recognized  international leader in the field of diabetes and diabetes complications. She is the Vice Chair for Clinical&Health Outcomes Research in the Department of Internal Medicine, Director of Clinical Research the Caswell Diabetes Institute at the University of Michigan, and the President-Elect Medicine and Science of the American Diabetes Association (ADA). 

Her research interests involve chronic complications of diabetes (diabetic neuropathy, diabetic foot, diabetic kidney disease, and cardiovascular complications), use and implementation of diabetes technologies for all people with diabetes, and the design and conduct of traditional and pragmatic clinical trials in diabetes and diabetes complications. She has been PI and member of the Steering Committee in many landmark diabetes clinical trials funded by NIH or Pharma including: ACCORD, DCCT/EDIC, PERL, BARI- 2D, GRADE, REPLACE-BG, WISDM, T1D Exchange, DEVOTE, MOBILE. She designed and led several investigator-initiated studies funded by NIDDK and Pharma to unveil disease modifying agents for diabetic neuropathy and other chronic diabetes complications, is the corresponding principal investigator and member of the Executive Committee of the NIDDK Diabetes Foot Consortium, and one of the principal investigators of the JDRF Center of Excellence at the University of Michigan.

Dr. Busui has published more than 250 peer-reviewed manuscripts and book chapters, mentored numerous early-career faculty, fellows, postdoctoral fellows, residents, and students, and successfully mentored many physician-scientists in their career developments She had received awards from the Fulbright Foundation, the ADA, and the University of Michigan. 

John Evans

Dr. Evans has been a podiatrist for 37 years and is in private practice in southeast Michigan. He graduated from the University of Connecticut with a Pharmacy degree and received his DPM from the Temple University College of Podiatric Medicine. He is board certified by the American Board of Foot and Ankle Surgery (Foot and Ankle), and by the American Board of Podiatric Medicine. He is Chief of Podiatry at Beaumont Hospital and Medical Center in Dearborn, MI, and has been since 2000.

He is Chair-Emeritus of the APMA Health Policy and Practice Committee and has served as a Medicare Carrier Advisory Committee (CAC) representative for over 20 years. He has been active with the American Board of Foot and Ankle Surgery for 28 years, including 8 years on their Board of Directors, and presently is Chair of their Communications Committee. He is the 2018 recipient of the APMA Award of Excellence.

Dr. Evans is a nationally recognized speaker on a variety of topics including Peripheral Arterial Disease, the Diabetic Foot, Limb Salvage, Physician Burnout, Dealing with the Difficult Patient, and Mindfulness in Medicine. Presently he serves as a podiatric representative to the American College of Cardiology and the American Heart Association.

Robert Frykberg

Robert G. Frykberg, DPM, MPH, FFPM(Glasg) is the Medical Director of DM Prevent Diabetic Foot and Wound Centers, and former Chief of the Podiatry section at the Phoenix Veterans Affairs Medical Center in Phoenix, Arizona. He holds Faculty ranks as Adjunct Professor, Midwestern University Program in Podiatric Medicine as well as Honorary Professor of Podiatric Medicine at NUI Galway. 

A former Chair of the Foot Care Council of the American Diabetes Association and Past President of the American College of Foot and Ankle Surgeons, Dr. Frykberg was the 2011 recipient of the prestigious Roger Pecoraro Award from the Foot Care Council of the American Diabetes Association.

He received his Master of Public Health degree from the Harvard School of Public Health in 1994 with a concentration in quantitative methods.

Dr. Frykberg’s research and writing interests have included all facets of lower extremity disorders, but specifically focused on diabetic foot ulcers, infections, Charcot foot, Surgery, and Wound care. The author of over 100 peer reviewed publications and textbook chapters, he has also been the Editor of two textbooks: The High Risk Foot in Diabetes Mellitus (1991) and the Diabetic Charcot Foot (2010).  Prof. Frykberg is currently a Director of the Association of Diabetic Foot Surgeons, a Fellow of the Faculty of Podiatric Medicine of the Royal College of Physicians and Surgeons of Glasgow, and a Fellow, Royal Society of Medicine.

Ammar Hashmi

Ammar Hashmi, MD is a trained vascular surgeon. He has expertise in both open and endovascular surgery. His areas of expertise include limb salvage, aortic surgery, carotid intervention and venous disease.

Lawrence B. Harkless

He has served in both public and private universities known for clinical and research excellence, including the University of Texas Health Science Center San Antonio and Western University of Health Sciences. He has held many important leadership roles that have afforded him an expansive range of experiences in academic medicine. Interim Dean University of Texas Rio Grande Valley School of Podiatric Medicine Professor of Surgery School of Medicine UTRGV

Founding Dean Emeritus and Professor Emeritus, College of Podiatric Medicine Western University of Health Sciences.His research program has been interprofessional and collaborative in nature, and he has built upon a team approach to further scientific discovery. His research has focused on Amputation Prevention in Diabetes and wound healing, and global Podiatric public health, for which he has received numerous grants and awards. He has impacted the entire arena of diabetic foot, including the development and validation of wound and risk stratification models.  The risk and wound classification systems have provided the taxonomy which allows clinicians to communicate worldwide improving patient centered outcomes and reducing the impact of health care costs.The American Diabetes Association awarded Dr. Harkless the Outstanding Educator in Diabetes Award. Hailed as “the father of diabetic foot care,” he, served on scientific advisory panels for industry and government (CDC,FDA, HHS, NIH, VA).2001, the American Diabetes Association awarded Dr. Harkless the Outstanding Educator  in Diabetes Award. Hailed as “the father of diabetic foot care,” he, served on scientific advisory panels for industry and government (CDC, FDA,HHS, NIH, VA).

Crystal Holmes

Crystal Murray Holmes, DPM, is a podiatry specialist in Ann Arbor, Michigan. She graduated from Kent State College of Podiatric Medicine.  Dr. Holmes is currently a Clinical Associate Professor with University of Michigan Health System. She founded the Michigan Medicine Podiatry program in 2006 and still serves as the Program Director. She also has an active role in the training program for the University of Michigan Podiatry Research Fellowship in Limb Preservation, Wound Care, and Diabetes Related Lower Extremity Complications. The fellowship involves emphasis on research and patient populations at risk for limb loss.  Dr. Holmes has had numerous leadership roles in national and international organizations such as chairperson on the scientific meeting planning committees at the International Working Group Diabetic Foot: Charcot, American Podiatric Medical Association and American Diabetes Association, and is a past president of the  Michigan Podiatric Medical Association. She has research interest in diabetes limb preservation and has grant funding from the NIH/NIDDK and serves as a principle investigator in the Diabetic Foot Consortium. 

Warren Joseph

Dr.  Warren S. Joseph is a specialist in the treatment of lower extremity infectious diseases.  He received his podiatric degree from the Wm. Scholl College of Podiatric Medicine in Chicago. Dr Joseph completed his postgraduate training in podiatric medicine/surgery at St. Joseph’s Hospital, and a fellowship in infectious diseases at Hahnemann University School of Medicine, both in Philadelphia. He is currently an Adjunct Clinical Professor at the Arizona College of Podiatric Medicine at Midwestern University in Glendale, AZ.  

Dr Joseph is a fellow of the Infectious Diseases Society of America and sits on the IDSA Diabetic Foot Infection Guidelines Committee and the International Working Group for the Diabetic Foot. He is also certified by the American Board of Podiatric Medicine, and currently serves as Editor of the Journal of the American Podiatric Medical Association. Dr Joseph lectures extensively and his presentations have focused on the treatment of bacterial and fungal infections of the lower extremity. He has authored close to 100 publications in the field of lower extremity infections. 

Javier La Fontaine

Javier La Fontaine, D.P.M., M.S.:
•    Dean and Professor, UTRGV School of Podiatric Medicine
•    Professor at University of Texas Southwestern Medical Center, Department of Plastic and Surgery and Orthopedic Surgery, Dallas, TX
•    Associate Professor at Texas A & M College of Medicine, Temple, TX 
•    Former, Chief, Podiatry Section, Central Veterans Medical Center, Temple, TX
•    Master’s in Clinical Investigation (MS) in December 2006
•    Former, Associate Professor, Chief and Director of Podiatry Residency Training, University of Texas Health Science Center at San Antonio, Texas
•    Doctorate, Ohio College of Podiatric Medicine, Cleveland, OH
•    B.S. Xavier University, Cincinnati, OH 
•    Born Bayamon, Puerto Rico

Collin Pehde

Dr. Collin Pehde graduated from Des Moines University College of Podiatric Medicine and Surgery in 2002 as Graduate with Distinction.  He completed a 1 year podiatric medical residency at The Western Pennsylvania Hospital in Pittsburgh, Pennsylvania followed by a 2 year podiatric surgical residency at West Houston Medical Center in Houston, Texas, which included a 2 month internship in limb deformity correction at The Rubin Institute for Advanced Orthopedics in Baltimore, Maryland.  

Dr. Pehde has practiced in academic and private practice settings with an interest in teaching medical students, residents, and fellows.  He currently holds an academic position as Clinical Assistant Professor of Podiatric Medicine and Surgery in the Department of Orthopaedics at the University of Texas Health Science Center at San Antonio.  

Dr. Pehde has spent his career focused on treating diabetic foot pathology, ranging from preventive diabetic foot care to extensive reconstructive surgery for limb preservation utilizing orthoplastic techniques and external fixation.

Anand Prasad

Dr. Prasad graduated from LSU School of Medicine in New Orleans. He completed Internal Medicine and Cardiology training at the University of Texas Southwestern at Dallas. He then completed an Interventional Cardiology and an Endovascular Fellowship at the University of California San Diego. He then joined the faculty at UC San Diego and after three years moved back to Texas to join the UT Health  San Antonio. He is currently a Professor of Medicine and holds the Freeman Heart Association Endowment in Cardiovascular Disease. He also is the Director of the Advanced Diagnostic Center Catheterization Laboratories at University Health System. His clinical interests are centered on the endovascular treatment of PAD, TAVR,  and high risk percutaneous coronary interventions.

He is the Director of the Interventional Cardiology Fellowship Program.  Dr. Prasad is the primary investigator on both investigator initiated, and industry sponsored clinical trials. His areas of interest include novel approaches to therapy for limb salvage and acute kidney injury following CV procedures He is also involved with efforts to understand vascular disease in minority populations. His research career has led to over 120 publications. He has served on numerous national committees and editorial boards. 

The intersection of his research and clinical interests has led to the creation of the largest cardio renal symposium in the United States: Cardio Renal Connections. As cofounder of this meeting, Dr. Prasad has worked to bring together diverse individuals to address the challenges in management of patients with concomitant heart and kidney disease.

Katherine Raspovic

Coming Soon!

Dane Wukich

Dr. Dane K. Wukich MD is Professor and Chair of the Department of Orthopaedic Surgery at UT Southwestern Medical Center. He holds the Dr. Charles F. Distinguished Chair of Orthopaedic Surgery as well, and serves as Orthopaedic Medical Director of UT Southwestern Medical Center's Clements University Hosptital. Prior to relocating to Dallas, Dr. Wukich was Professor of Orthopaedic Surgery at UPMC in Pittsburgh. He is the recipient of the American Diabetes Association's Roger Pecoraro Award and Lectureship (2017),  Desert Foot Dr. Paul Brand Memorial Lecture (2019), MedStar Georgetown Distinguished Achievement Award in Diabetic Limb Salvage (2022),  and the Dr. J. G. van Baal Lecture (Almelo, Netherlands 2022). Dr. Wukich received a Master of Science Degree in Leadership and Organizational Development from the Naveen Jindal School of Management at The University of Texas at Dallas, with a concentration in Transformational Leadership. Currently, Dr. Wukich serves as Chair of the IWGDF Working Group for Charcot neuroarthropathy, and this consensus statement will be released in May of 2023 at the IWGDF quadrennial meeting in The Hague, Netherlands. Dr. Wukich actively treats patients at Clements University Hospital, Parkland Memorial Hospital, and the North Dallas Veterans Medical Center.