David G. Armstrong

Distinguished Professor of Surgery and Neurological Surgery

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Overview

Dr. Armstrong is a Distinguished Professor of Surgery and Neurological 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 720 peer-reviewed research papers in dozens of scholarly medical journals as well as over 120 books or book chapters. He is founding co- Editor of the American Diabetes Association’s (ADA) Clinical Care of the Diabetic Foot, now in its fourth edition.

Armstrong is Director of USC’s National Science Foundation (NSF) funded Center to Stream Healthcare in Place (C2SHiP) which places him at the nexus of the merger of consumer electronics, wearables, and medical devices in an effort to maximize hospital-free and activity-rich days.

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 also the first podiatric surgeon to be selected as President of Faculty at Keck School of Medicine of USC. Furthermore, 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 both the ADA’s Roger Pecoraro Award and 2023 recipient of the ISDF’s Karel Bakker Award, the highest awards given in the field.

Dr. Armstrong is past Chair of Scientific Sessions for the ADA’s Foot Care Council, and a past member of the National Board of Directors of the American Diabetes Association. He sits on the Infectious Disease Society of America’s (IDSA) Diabetic Foot Infection Advisory Committee and is the US appointed delegate to the International Working Group on the Diabetic Foot (IWGDF). Dr. Armstrong is the founder and co-chair of the International Diabetic Foot Conference (DF-Con), the largest annual international symposium on the diabetic foot in the world. He is also the Founding President of the American Limb Preservation Society (ALPS), a medical and surgical society dedicated to building interdisciplinary teams to eliminate preventable amputation in the USA and worldwide.

Awards

  • Diabetic Foot Society of India (DFSI): Lifetime Achievement Award, 2024
  • MV Viswanathan Hospital Chennai: MV Viswanathan Gold Medal Oration for Lifetime Excellence in Diabetes Care, 2024
  • Singapore Ministry of Health: Singapore Ministry of Health Visiting Professor and Expert, Limb Preservation, 2024
  • International Society of the Diabetic Foot (ISDF): The 2023 Karel Bakker Lifetime Achievement Award for Global Advancement of Science, Care and Adv, 2023
  • Association for Clinical and Translational Science (ACTS): The 2023 Distinguished Investigator Award, 2023
  • University of Texas Health Science Center, San Antonio: Inaugural Inductee, University of Texas Lawrence B. Harkless Leadership Award in Limb Preservati, 2022
  • USC’s 12th Presidential Inauguration Innovation Symposium: USC President Carol Folt, Inaugural Speaker: Innovation Symposium, 2019
  • General Surgery: Top Author Commendation, 2017
  • University of Arizona: University Distinguished Outreach Professor, 2017
  • California School of Podiatric Medicine: Heather Barton Alumnus Award, 2017
  • PM Magazine: Most Influential Podiatric Surgeons, 2017
  • National Academics of Practice: Distinguished Fellow, 2015
  • Brigham and Women’s Hospital: Visiting Professor of Surgery, 2013
  • University of Arizona/Tech Launch Arizona: Leading Edge Researcher, 2013
  • National Health Information Awards: Gold Award, 2013
  • University of Western Australia: The Raine Visiting Professorship, 2013
  • Royal College of Physicians and Surgeons of Glasgow: Fellow, 2012
  • Podiatry Management VIP List: Most Influential Podiatric Surgeons, 2011
  • American Diabetes Association: Roger Pecoraro Award, 2010
  • Universidad Complutense, Madrid: Honorary Professor of Medicine, 2008
  • Georgetown University: Georgetown Distinguished Lifetime Achievement Award in Diabetic Limb Salvage, 2007
  • University of Manchester: Visiting Professor of Medicine, 2006
  • American Podiatric Medical Association: Meritorious Service Award, 2002

Education and Training

  • Victoria University of Manchester, Manchester, UK — PhD, MD — 2004 — Mitigation of Pressure in the High Risk Diabetic Foot
  • University of Wales College of Medicine, Cardiff, UK — MS — 2003 — Tissue Repair and Wound Healing
  • University of Texas Health Science Center, San Antonio, TX — 1996 — Diabetic Foot Fellowship
  • Monsignor Clement Kern Hospital for Special Surgery, Warren, MI — 1995 — Residency, Foot and Ankle Surgery
  • California College of Podiatric Medicine, San Francisco, CA — DPM — 1993 — Podiatric Medicine
  • Occidental College, Los Angeles, CA — 1989

Research Funding

  • Prevention of Amputation with Rapid Healing of Diabetic Ulcers Using Autologous Microsized Fat Tissue
    NIH · R43DK147508 · Sep 22, 2026 – Sep 21, 2027 · Role: Co-Principal Investigator
  • Smart Foot Mat
    NIH · R43DK137607 · Sep 12, 2024 – Aug 31, 2025 · Role: Co-Principal Investigator
  • Improving the science of adherence reinforcement and safe mobility in people with diabetic foot ulcers using smart offloading
    NIH · R01DK124789 · Jan 1, 2021 – Dec 31, 2025 · Role: Principal Investigator
  • Infrared Eyes(iREyes)
    NIH · R44DK102244 · Sep 30, 2014 – Aug 31, 2021 · Role: Co-Principal Investigator

Research Keywords

  • Tissue repair
  • Wound healing
  • Limb slavage
  • Diabetic foot care
  • Toe and flow

Publications

  • Response to Comment on Hong et al. Differential Effect of GLP-1 Receptor Agonists and SGLT2 Inhibitors on Lower-Extremity Amputation Outcomes in Type 2 Diabetes: A Nationwide Retrospective Cohort Study. Diabetes Care 2025;48:1728-1736. Diabetes Care. 2026 Jun 01; 49(6):e107-e108.. View in PubMed
  • Advancing Therapeutic Solutions for Burn Wounds: Potential Use of Noninvasive Ultrasound-Driven Splenic Stimulation. Adv Wound Care (New Rochelle). 2026 Jun; 15(6):414-425.. View in PubMed
  • Can a Chatbot Help Heal a Wound? Context-Aware Prompts for Boosting Adherence in Diabetic Foot Ulcers. Diabetology (Basel). 2026 May; 7(5):96.. View in PubMed
  • Responsible AI for Personalized Patient Education and Engagement Across Medical Conditions: Leveraging Multi-Agent LLMs, Ambient Technology, and NotebookLM-A Case Study in Diabetes Education and Limb Preservation. J Am Podiatr Med Assoc. 2026 May 08; 116(3).. View in PubMed
  • Factors Associated With Foot Complications Among Individuals With Type 2 Diabetes Mellitus in Semi-Urban Udupi District. Endocrinol Diabetes Metab. 2026 May; 9(3):e70169.. View in PubMed
  • Topical Oxygen Therapy for Diabetic Foot Ulcers: Updated Evidence From Randomised Trials. Wound Repair Regen. 2026 May-Jun; 34(3):e70170.. View in PubMed
  • Effectiveness of silicone superabsorbent polymer dressings for chronic wound management: a prospective single-arm clinical study. J Wound Care. 2026 05 02; 35(5):377-391.. View in PubMed
  • Development and Multicenter External Validation of a Real-Time Artificial Intelligence Diagnostic System for Diabetic Peripheral Neuropathy Based on Wearable Devices. Gerontology. 2026 Apr 08; 1.. View in PubMed
  • AI-Guided Remission: Protocol for a Conversational Agent (Chatbot) for Dosing Activity and Footwear Progression After Diabetic Limb Reconstruction. Sensors (Basel). 2026 Apr 08; 26(8).. View in PubMed
  • Spooky action at a distance: neuromodulation, physiologic distress signals, and limb preservation. Burns Trauma. 2026; 14:tkag017.. View in PubMed