Summit SurgicalGeneral Surgery Associates — Calgary, AB
The surgical team

Our surgeons

Eight Royal College–certified general surgeons committed to evidence-based, patient-centred surgical care across Calgary and southern Alberta.

Dr. Christopher Armstrong

MOA: Jasmine

FRCSC FACS · General Surgery


Scope of practice

General Surgery Acute Care Surgery (On-Call) Hernia Surgery Benign Foregut GERD & Hiatal Hernia Paraesophageal Hernia TEP · TAPP · Lichtenstein
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MD MSc(Oxon) FRCSC FACS

Dr. Armstrong is a Fellow of the Royal College of Physicians and Surgeons of Canada and the American College of Surgeons. He completed postgraduate studies at the University of Oxford and a fellowship in Advanced Minimally Invasive Surgery at the University of California, Irvine. He brings subspecialty expertise in advanced laparoscopic hernia surgery and benign foregut conditions, including gastroesophageal reflux disease and paraesophageal hernia repair. He previously served as Program Director for the Surgical Foundations residency program at the University of Calgary.

Dr. Lea Austen

MOA: Shirley

FRCSC FACS · General Surgery


Scope of practice

General Surgery Acute Care Surgery (On-Call) Breast Oncology Hernia Surgery Lumpectomy Mastectomy Sentinel Node Biopsy Inguinal & Ventral Hernia TEP · TAPP · Lichtenstein
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MD MSc(Epi) FRCSC FACS

Dr. Austen is a Fellow of the Royal College of Physicians and Surgeons of Canada and the American College of Surgeons with subspecialty expertise in breast surgical oncology and hernia surgery. Dr. Austen holds a Master of Science in Epidemiology. His practice includes lumpectomy, mastectomy, and sentinel lymph node biopsy. Dr. Austen has an additional interest in health technology assessment and the evaluation of emerging surgical technologies.

Dr. John Graham

MOA: Jasmine

FRCSC FACS · General Surgery


Scope of practice

General Surgery Acute Care Surgery (On-Call) Breast Oncology Hernia Surgery Lumpectomy Mastectomy Sentinel Node Biopsy Inguinal & Ventral Hernia TEP · TAPP · Lichtenstein
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MD FRCSC FACS

Dr. Graham is a Fellow of the Royal College of Physicians and Surgeons of Canada and the American College of Surgeons with broad expertise in breast surgical oncology and laparoscopic hernia repair. He brings a commitment to evidence-based, multidisciplinary oncology care.

Dr. Mack Jacobson

MOA: Jay

FRCSC · General Surgery


Scope of practice

General Surgery Acute Care Surgery (On-Call) Hernia Surgery Inguinal & Ventral Hernia TEP · TAPP · Lichtenstein
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MD FRCSC

Dr. Jacobson is a Fellow of the Royal College of Physicians and Surgeons of Canada with a broad-based general surgical practice encompassing the full range of elective and urgent general surgery. He brings a patient-centred approach to every case and holds an additional professional interest in surgeon wellness and the promotion of sustainable, healthy surgical careers.

Dr. Artan Reso

MOA: Brenda

FRCSC · General & Bariatric Surgery


Scope of practice

General Surgery Acute Care Surgery (On-Call) Hernia Surgery Bariatric Surgery Benign Foregut Inguinal & Ventral Hernia TEP · TAPP · Lichtenstein Laparoscopic GI Surgery
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MD MEd FRCSC

Dr. Reso is a Fellow of the Royal College of Physicians and Surgeons of Canada with advanced training in minimally invasive and laparoscopic gastrointestinal and bariatric surgery. He completed a fellowship in Advanced Minimally Invasive Surgery at the University of Toronto. His hernia practice employs TEP, TAPP, and Lichtenstein techniques aligned with HerniaSurge guidelines. Dr. Reso holds a postgraduate degree in medical education and is actively engaged in surgical training and education. He holds leadership roles within the University of Calgary Department of Surgery.

Dr. Ryan Rochon

MOA: Kim

FRCSC · General & Colorectal Surgery


Scope of practice

General Surgery Acute Care Surgery (On-Call) Colorectal Surgery Hernia Surgery Laparoscopic Colon Resection TEP · TAPP · Lichtenstein
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DC MD MSc(QI) FRCSC

Dr. Rochon is a Fellow of the Royal College of Physicians and Surgeons of Canada with subspecialty training in colorectal and general surgery. He completed a fellowship in Colorectal Surgery at the University of Calgary. He holds a Master of Science in Quality Improvement. His practice encompasses laparoscopic colon resection, colorectal cancer surgery, and hernia repair. He previously served as Program Director for the General Surgery residency program at the University of Calgary.

Dr. Siddharth Shinde

MOA: Jay

FRCSC · General Surgery


Scope of practice

General Surgery Acute Care Surgery (On-Call) Hernia Surgery TEP · TAPP · Lichtenstein Parastomal Hernia Repair
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MD FRCSC

Dr. Shinde is a Fellow of the Royal College of Physicians and Surgeons of Canada with a broad-based general surgery practice. He provides elective and acute general surgical care across a wide range of abdominal and soft-tissue conditions, with particular interest in hernia surgery including parastomal hernia repair.

Dr. Jaymie Walker

MOA: Kim

FRCSC · General Surgery


Scope of practice

General Surgery Acute Care Surgery (On-Call) Hernia Surgery Inguinal & Ventral Hernia TEP · TAPP · Lichtenstein
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MD MSc FRCSC

Dr. Walker is a Fellow of the Royal College of Physicians and Surgeons of Canada with a broad-based general surgical practice. Her clinical interests include acute care surgery, minimally invasive hernia repair using TEP, TAPP, and Lichtenstein techniques, and global health. She is committed to delivering high-quality surgical care across diverse settings and populations.

Alberta Health Services (AHS) affiliated practice. Summit Surgical operates within the AHS system, with surgical privileges at Rockyview General Hospital and South Health Campus. All surgeons hold active AHS appointments and adhere to College of Physicians and Surgeons of Alberta (CPSA) standards of practice.