Ross L. McMahon, BSc, MD, FRCSC, FACS, FASMBS

Ross L. McMahon, BSc, MD, FRCSC, FACS, FASMBS CURRICULUM VITAE Place of Birth: Citizenship: Education: Brampton, Ontario, Canada United States and Canada University of Toronto - Human Biology Queen s University Medicine Duke University Continuing Education University of Washington Foster School of Business Examinations: United States Medical Licensing Examination parts 1-3 1994-1998 Licentiate of the Medical Council of Canada (LMCC) 1995 Royal College of Physicians & Surgeons of Canada Principles of Surgery 1996 Qualifying Exam 1999 Certifying Exam 1999 American Board of Surgery- Qualifying Exam 1999 American Board of Surgery- Certifying Exam 2000 American Board of Surgery-Recertifying exam 2011 Degrees: Bachelor of Science 1991 Doctor of Medicine 1994 Postdoctoral Training: Intern - General Surgery - Queen s University 1994-1995 Resident - General Surgery - Queen s University 1995-1998 Chief Resident - General Surgery - Queen s University 1998-1999 Endosurgery Research Fellow - Duke University 1999-2000 Endosurgery Clinical Fellow Duke University 2000-2001 Minimally invasive surgery fellow Memorial Sloan Kettering Cancer Center 2001-2002 Positions: Swedish Medical Center Medical Director, Weight Loss Services 2009-present Swedish Medical Center Medical Director, Bariatric Surgery 2006-2009 President, WA State Chapter of the ASMBS 2009-present Blue Cross Blue Shield Consulting Medical Director 2005-2006 Duke University Assistant Professor of Surgery 2002-2006 Board Certification: Royal College of Surgeons of Canada (FRCSC) #499057 1999 American Board of Surgery #57023 2000/2012

Awards: Duke of Edinburgh s Silver & Gold Awards 1983-1985 Graduated with High Distinction (Magna cum Laude) 1991 Priory Vote of Thanks, Priory of Canada, 1992 Venerable Order of the Hospital of St. John of Jerusalem MRC Research Award 1992 Rattray Bequest (Gold Medal) Urology 1994 Queen s Department of Surgery -Resident Research Day First Prize - Best research in the department 1996 Physician Services Incorporated Resident Research Award 1996 Poster of Distinction SAGES 2000 Poster of Distinction DDW 2001 Fellow American College of Surgeons 2004 Center of Excellence Blue Cross/Blue Shield NC 2004-present Center of Excellence Surgical Review Corporation 2006-present Fellow of American Society for Metabolic and Bariatric Surgery 2010-present Licenses: Washington State #MD00047181 (Independent) Pennsylvania State Medical Board #MD068825L (Independent) North Carolina Medical Board #2000-00543 (Independent) The Medical Board of California #A88442 (Independent) New York Office of Professions #P20792 (Temporary permit) DEA - Controlled Substance Registration #BM6754635 College of Physicians & Surgeons of Ontario #67737 (Educational) NPI# 1679622690 UPIN# H57184 Hospital Privileges: Veteran s Affairs Medical Center, Durham, NC 2000-2002 Duke University Hospital 2002-2006 Durham Regional Hospital 2002-2006 Swedish Medical Center, Seattle, WA 2006-2015 Swedish Medical Center Issaquah 2011-2015 Swedish Edmonds 2012-2015 Courses/CME: 10 th International course in Endoscopy - Toronto 1998 Update in General Surgery Toronto 1999 Introduction to Surgical Research Association of Academic Surgeons Philadelphia, PA 1999 ENG 116A (Scientific Writing) Duke University 1999 STA 110E (Statistics) Duke University 2000 Faculty Scientific Writing Workshop- Duke University 2000 Barrett s Course SAGES 2000 Manometry Course SAGES 2000 ACLS/BLS 2000 Bariatric Surgery, SAGES 2001 ACS Advanced Ultrasound course 2001 Hackensack University Medical Center Robotic surgery course 2002 Bariatric Surgery, UMass 2002 Fundamentals of Bariatric surgery, ASBS 2002

List no longer updated Memberships: Canadian Medical Association 1990-2000 Ontario Medical Association 1990-2000 American Medical Association 2000-present Fellow - American College of Surgeons 1996-present Canadian Association of General Surgeons 1996-present Society of American Gastrointestinal Endoscopic Surgeons 1999-present Fellow- Royal College of Surgeons of Canada 1999-present Society of Laparoendoscopic Surgeons 2000-present Society for Surgery of the Alimentary Tract 2001-present American Society for Metabolic and Bariatric Surgery 2002-present Committees: Program Committee- Queen s Division of General Surgery 1995-1999 Program Committee- Queen s Department Surgery 1995-1997 Promotions Committee- Queen s Dept of Surgery 1997-1998 Occupational Health & Safety Kingston General Hospital 1995-1997 Internal review Clinical Investigator Program, Queen s University 1999 Society for American Gastrointestinal Endoscopic Surgeons 2000 Beta test site Coordinator for Fundamentals of Laparoscopy Society for American Gastrointestinal Endoscopic Surgeons 2000-present Research Committee 2000-2006 Membership Committee 2004 Resident Education Committee 2004-present Bariatric Surgery Committee 2004-present Grant reviewer 2000-2006 Public Information Committee 2006-present American Society for Metabolic and Bariatric Surgery Insurance committee Public Information committee Access to care committee WA State Chapter President 2008-present 2009-present 2010-present 2009-present Durham Regional Hospital 2004-2006 Patient safety - chair Performance Improvement member 2004-2006 Swedish Medical Center Bariatric Surgery chair 2006-2015 Surgery Residency Advisory Committee 2007-present Peer Reviewer: Surgical Endoscopy Obesity Research Surgery for obesity and related diseases 2001-present 2004-present 2005-present

Textbook Chapters: Mercer CD, McMahon RL. Has Omeprazole utilization influenced antireflux surgery? Collegium Internationale Chirugiae Digestivae - 1994 McMahon RL. Principles of Diagnostic Laparoscopy. In Laparoscopic Surgery of the Abdomen. MacFadyen BV editor 2004 Springer-Verlag New York McMahon RL., Eubanks WS. Cholelithiasis In Unbound Surgery, TN Pappas, GP Purcell (eds). Unbound Medicine, 2004, available at www.unboundsurgery.com McMahon RL., Voss M., Eubanks WS. Femoral and Inguinal Hernias In Unbound Surgery, TN Pappas, GP Purcell (eds). Unbound Medicine, 2004, available at www.unboundsurgery.com McMahon RL, Bariatric Surgery for obesity In Nutrition and Diabetes: Pathophysiology and Management, E Opara editor 2005 McMahon RL, Gastric Bypass: Gastrointestinal Bleeding In The SAGES Manual of Bariatric Surgery, 2007 Publications: Mercer CD, McMahon RL. Has Omeprazole utilization influenced antireflux surgery. Canadian Journal of Surgery 1994, 37(4):346 McMahon RL, Mercer CD. National Trends in Gastroesophageal Surgery, Can J Surg 2000;43:48-52 García-Oria MJ, Ali A, Cumming T, Fina MC, Clary E, Bruch SM, Ko A, Penning DH, McMahon RL, Reynolds JD, Gandsas A, McRae RL, Eubanks WS. The Effects of Pneumoperitoneum during pregnancy on fetal brain histology. Surg Endosc (2001) 15:11 Gandsas A, Draper K, Chekan E, Garcia-Oria MJ, McMahon RL, Clary EM, Monnig R, Eubanks WS. Laparoscopy and the Internet:Surgeon Survey Surg Endosc (2001) 15:9 McMahon RL, Ali A, Chekan EG, Clary EM,Garcia-Oria MJ, Fina MC, McRae RL, Ko A, Gandsas A, Pappas TN, Eubanks WS. A Canine Model of Gastroesophageal Reflux Disease Surg Endosc (2002) 16:1 McMahon RL, Eubanks WS A Comprehensive Review of Advanced Laparoscopic Procedures New Surgery 1(1), Feb 2001 Lagoo S. McMahon RL. Kakihara M. Pappas TN. Eubanks S. The sixth decision regarding perforated duodenal ulcer. Journal of the Society of Laparoendoscopic Surgeons. 6(4):359-68, 2002 Oct-Dec. Shoup M. Brennan MF. Karpeh MS. Gillern SM. McMahon RL. Conlon KC.

Port site metastasis after diagnostic laparoscopy for upper gastrointestinal tract malignancies: an uncommon entity. Annals of Surgical Oncology. 9(7):632-6, 2002 Aug. McMahon RL. Ali A. Chekan EG. Clary EM. Garcia-Oria MJ. Fina MC. McRae RL. Ko A. Gandsas A. Pappas TN. Eubanks WS. A canine model of gastroesophageal reflux disease (GERD). Surgical Endoscopy. 16(1):67-74, 2002 Jan. Conlon KC, McMahon RL Minimally Invasive surgery in the Diagnosis and Treatment of Upper Gastrointestinal Malignancies. Ann Surg Oncol. 9(8):725-37, 2002 Oct. de la Fuente SG. McMahon RL. Clary EM. Harris MB. Lawson DC. Reynolds JD. Eubanks WS. Pappas TN. Celecoxib (celebrex) increases canine lower esophageal sphincter pressure. Journal of Surgical Research. 107(1):154-8, 2002 Sep Lau CL. Palmer SM. Howell DN. McMahon R. Hadjiliadis D. Gaca J. Pappas TN. Davis RD. Eubanks S. Laparoscopic antireflux surgery in the lung transplant population. Surgical Endoscopy. 16(12):1674-8, 2002 Dec. Boan J, Kolotkin RL, Westman EC, McMahon RL, Grant JP Binge Eating, Quality of Life and Physical Activity Improve After Roux-en-Y Gastric Bypass for Morbid Obesity Obesity Surgery 14:341-348 Reynolds JD. Booth JV. de la Fuente S. Punnahitananda S. McMahon RL. Hopkins MB. Eubanks WS. A review of laparoscopy for non-obstetric-related surgery during pregnancy. Current Surgery. 60(2):164-73, 2003 Mar-Apr. Haqq AM, Lien LF, Boan J, Arlotto M, Slentz CA, Muehlbauer MJ, Rochon J, Gallup D, McMahon RL, Bain JR, Stevens RD, Millington DS, Butler MD, Newgard CB, and Svetkey LP The Study of the Effects of Diet on Metabolism and Nutrition (STEDMAN) weight loss project: Rationale and design Contemporary Clinical Trials 26:616-25 2005 Johnson WH, Fernanadez AZ, Farrell TM, McDonald KG, Grant JP, McMahon RL, Pryor AD, Wolfe LG, DeMaria EJ Surgical revision of loop ( mini ) gastric bypass procedure:multicenter review of complications and conversions to Roux-en-Y gastric bypasss SOARD 3(1):37-41 2007 Lien LF, Haqq AM, Arlotto M, Slentz CA, Muehlbauer MJ, McMahon RL, Rochon J, Gallup D, Bain JR, Ilkayeva O, Wenner B, Stevens RD, Millington DS, Butler MD, Newgard CB, and Svetkey LP Study of the Effect of Diet on Metabolism and Nutrition (The STEDMAN Project): Comprehensive metabolic profiling during weight loss and regain in obese humans Abbreviated Title: The STEDMAN Project Weight Loss and regain Submitted NEJM Villegas L, Garcia-Oria M, McRae RL, McMahon RL, Lagoo S, Clary EM, Eubanks WS

Three-dimensional computer axial manometry (CAM) of the canine lower esophageal sphincter with and without fundoplication Submitted Surgical Endoscopy Case report/video: McMahon RL., Chekan, E, St Louis, Garcia-Oria, MJ, Gandsas, A, Eubanks, WS. Laparoscopic Management of a Cystic Duct Leak submitted to Surgical Endoscopy for electronic publishing. De La Fuente SG, McMahon RL, Eubanks WS Laparoscopic resection of a gastric carcinoid tumor SLS Meeting 2002 White DC. McMahon R. Wright T. Eubanks WS. Laparoscopic repair of a Morgagni hernia presenting with syncope in an 85-year-old woman: case report and update of the literature. Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A. 12(3):161-5, 2002 Jun. de la Fuente SG. McMahon RL. Pickett LC. Pappas TN. Sporadic gastric carcinoid tumor laparoscopically resected: a case report. Journal of the Society of Laparoendoscopic Surgeons. 8(1):85-7, 2004 Jan-Mar. Invited Speaker/Course Faculty: McMahon RL. Alternate antireflux operations Hill and Dor repairs. Meeting of the Americas Advanced Endosurgery course Durham, NC October 7, 1999 McMahon, RL Laparoscopic Procedure Update. Maria Parham Hospital in Henderson, NC Tuesday, November 7 th 2000 SAGES Resident course, Cincinnati OH Jan 21, 2001- Invited Faculty McMahon RL. Laparoscopic Adrenalectomy. Urology Advanced Endosurgery course Durham, NC May 2001 McMahon RL. Trocar site insertion and abdominal closure. Urology Advanced Endosurgery course Durham, NC May 2001 McMahon RL. Laparoscopic Bariatric Surgery. Grand rounds, Duke University Durham, NC May 2001 McMahon RL. The role of Minimally Invasive Surgery in Upper gastrointestinal Surgical Oncology, Grand Rounds, Bridgeport Hospital, Yale Medical System, CT March 21, 2002 McMahon RL. MIS in the diagnosis and treatment of UGI Malignancies, Grand Rounds, St. Mary s Hospital Waterbury, CT May 2002 McMahon RL Bariatric Surgery NC Surgical Society Meeting 2003 McMahon RL. Surgeons in the digital age. Instructor Sages 2003 McMahon RL. Bariatric Surgery Scientific Program Moderator Sages 2003

McMahon RL. 1st Annual Patient Safety in Obesity Surgery Course July 2005 Harvard Medical School Boston Mass. McMahon RL SAGES Resident workshop February 9-10 2006 McMahon RL Trends in Bariatric Surgery. First annual Bariatric conference Duke University March 2006 McMahon RL Embrace- Multidisciplinary Scientific roundtable conference Atlanta, GA Dec 2-3 2006 SAGES representative McMahon RL Bariatric Surgery Medicine Grand Rounds, Swedish Medical Center, Seattle, WA September 2007 McMahon RL Bariatric Surgery 2007 and beyond Washington State Society of Anesthesiologists Seattle WA September 2007 McMahon RL Bariatric Surgery 2007 and beyond Seattle Gynecology Society Seattle WA November 2007 McMahon RL Managing Diabetes in Obesity: New Approaches- 6th Annual John L. Locke, Jr. Preventative Cardiology Symposium Seattle WA February 2008 Presentations: McMahon RL, Mercer CD. Has Omeprazole utilization influenced antireflux surgery? Resident research day, Queen s University 1993 McMahon RL., Mercer CD. Has Omeprazole utilization influenced antireflux surgery? Collegium Internationale Chirugiae Digestivae-14th World Congress. Los Angeles Ca.- 1994 McMahon RL. Mercer CD. Has Omeprazole utilization influenced antireflux surgery? Royal College of Physicians and Surgeons Meeting 1994 McMahon RL, Mercer CD National Trends in Gastroesophageal Surgery 1992-1994 Royal College of Physicians and Surgeons Meeting 1995 McMahon RL, Mercer CD. National Trends in Gastroesophageal Surgery 1992-1994 Resident research day, Queen s University - 1996 McMahon RL, Mercer CD. National Trends in Gastroesophageal Surgery 1992-1994 Resident research conference, Canadian Assoc. of General Surgeons - 1996 McMahon RL, Mercer CD. National Trends in Gastroesophageal Surgery 1992-1996 Resident research day, Queen s University 1998 McMahon RL, Ali A, Chekan E, Clary E, Garcia-Oria MJ, Gandsas A, McRae RL, Fina MC, Bruch SM, Ko A, Pappas TN, Eubanks WS. Comparison of Paraesophageal Hernia Repair with and without Fundoplication in a Canine Model.

SAGES Meeting, Atlanta, GA March 31 st, 2000 McMahon RL, Ali A, Chekan E, Clary E, Garcia-Oria MJ, Gandsas A, McRae RL, Fina MC, Bruch SM, Ko A, Pappas TN, Eubanks WS. Comparison of Paraesophageal Hernia Repair with and without Fundoplication in a Canine Model. 7 th World Congress of Endoscopic Surgery, June 2000 García-Oria MJ, Ali A, Cumming T, Fina MC, Clary E, Bruch SM, Ko A, Penning DH, McMahon RL, Reynolds JD, Gandsas A, McRae RL, Eubanks WS. The Effects of Pneumoperitoneum during pregnancy on fetal brain histology. 7 th World Congress of Endoscopic Surgery, June 2000 Lau CL, Palmer SM, Hadjiliadis D,Pappas, TN, Davis RD, McMahon RL, Eubanks WS Laparoscopic Anti-reflux Surgery in the Lung Transplant Population poster presentation SAGES 2001 de la Fuente S, McMahon RL, Eubanks WS, Pappas TN. The effect of celecoxib on the canine LES. Poster presentation DDW 2001 Reynolds JD, Booth JV, Amory DW, Benni PB, Lagoo-Deenadayalan S, McMahon RL, Garcia-Oria M,Eubanks WS. Validation and application of a Method to Continually Measure in utero Fetal Sheep Cerebral Oxygenation during Maternal General Anesthesia. SAGES 2002 Best J, MA, Applegate K, Grant J, McMahon RL, Pryor AD, Eating Disorders & Diabetes: Lessons Learned from Obese Type 2 Diabetics Seeking WLS SBM 2005 Friedman K, Applegate K, Grant JP, McMahon RL, Pryor AD Who is Adherent to Pre-Operative Psychological Treatment Recommendations Among Weight Loss Surgery Candidates? SBM 2005 Applegate K, Shapiro J, Grant JP, McMahon RL, Pryor AD Chronic Pain Experience Among Weight Loss Surgery Applicants SBM 2005 Abstracts: Mercer CD, McMahon RL. Has Omeprazole utilization influenced antireflux surgery World Journal of Surgery (suppl) 1994, 195, S43 McMahon RL, Ali A, Chekan E, Clary E, Garcia-Oria MJ, Gandsas A, McRae RL, Fina MC, Bruch SM, Ko A, Pappas TN, Eubanks WS. Comparison of Paraesophageal Hernia Repair with and without Fundoplication in a Canine Model. Surg Endosc (2000) 14: S157 García-Oria MJ, Ali A, Cumming T, Fina MC, Clary E, Bruch SM, Ko A, Penning DH,

McMahon RL, Reynolds JD, Gandsas A, McRae RL, Eubanks WS. The Effects of Pneumoperitoneum during pregnancy on fetal brain histology. Surg Endosc (2000) 14: S185 Lau CL, Palmer SM, Hadjiliadis D,Pappas, TN, Davis RD, McMahon RL, Eubanks WS Laparoscopic Anti-reflux Surgery in the Lung Transplant Population Surg Endosc (2001) 15: Suppl Villegas L, Garcia-Oria M, McRae RL, McMahon RL, Lagoo S, Clary EM, Eubanks WS Three-dimensional computer axial manometry (CAM) of the canine lower esophageal sphincter with and without fundoplication Surg Endosc (2001) 15: Suppl Reynolds J, Punnahitananda S, Booth J, Hopkins B, Wang Y, Garcia-Oria M, McMahon RL, Clary EM, Eubanks WS Fetal Effects of Maternal Insufflation: Studies with Instrumented Near-term Sheep Surg Endosc (2001) 15: Suppl Lagoo SA, Gupta MK, Pinheiro JS, Voss M, McMahon RL, Reynolds J, Pappas TN, and Eubanks WS Laparoscopic Fundoplication with pyloroplasty for Gastroesophageal Reflux Disease and Delayed Gastric Emptying. South-East Surgical Conference 2001 De La Fuente SG, McMahon RL, Clary E, et al. The influence of Celecoxib on canine lower esophageal sphincter pressure Gastroenterology 120 (5): 2138 Suppl. 1 Apr 2001 Shoup M, Brennan MF, O'Reilly E, Winston C, McMahon R, Bassman D, Conlon KC, Should patients with locally advanced pancreatic adenocarcinoma undergo laparoscopic staging prior to initiation of chemoradiation? Pancreas club 2002 Applegate, K.L., Gremore, T.M., Shapiro, J., McMahon RL and Grant, J.P.: Impact of race on psychosocial characteristics of female bariatric surgery applicants. Academy of Eating Disorders, Orlando, Florida, 2004. Applegate KL, Shapiro JR, McMahon RL, Pryor AD, Grant JP: Goal Weights Among Treatment Seeking Obese Patients: Do They Become More Realistic After Weight Loss Surgery? NAASO 2004 Annual Scientific Meeting Haqq AM, Lien LF, Arlotto MA, Slentz CA, Muehlbauer MJ, Rochon J, Gallup D, McMahon RL, Bain JR, Stevens R, Millington D, Butler MD, Newgard CB and Svetkey LP The STEDMAN Project: Coordinated changes in anorexigenic and orexigenic hormones and decreased fatty acid oxidation with moderate weight loss secondary to a six-month behavioral intervention The Endocrine Society's 87th Annual Meeting 2006 Lien LF, Haqq AM, Arlotto MA, Slentz CA, Muehlbauer MJ, McMahon RL, Rochon J, Gallup D, Bain JR, Stevens R, Millington D, Butler MD, Newgard CB and Svetkey LP Obese African-American Females Have Low Adiponectin with Concurrently Elevated Arachidonic Acid and Cytokines: Baseline Results from the STEDMAN Project

The Endocrine Society's 87th Annual Meeting 2006 Ideal Mesenteric Division: Bipolar Sealing vs Stapler, a comparative study in a porcine model and assessment of clinical relevance. Manson RJ, McMahon RL, DeMaria EJ and Pryor AD