Humboldt-Univ. Medical School, Berlin, Germany M.D. 1987-92 Medicine
Research Fellow, MGH, Boston MA 1992-94 Orthopaedic Surgery
Surgical Resident, Ruhr-Univ., Bergmannsheil, Germany 1995-96 General Surgery, Traumatology
Surgical Resident, Boston University, Boston MA Research Fellow 1996-97 General Surgery
Resident in Orthopaedic Surgery, Harvard Combined Orthopaedic Program 1999-2003 Orthopaedic Surgery
Fellow in Spinal Surgery, Cleveland Clinic Foundation Staff Surgeon, Spine Center 2003-2004 Neurological / Orthopaedic Spinal Surgery
Tucson Orthopaedic Institute, Tucson, Arizona  Staff Surgeon, Center for Advanced Spine Care 2004-2006 Orthopaedic Spine Surgery
Clinical Assistant Professor in Orthopaedic Surgery, University of Arizona 2006 Orthopaedic Spine Surgery
Division Chair Orthopaedic Surgery, St. Mary’s Hospital, Tucson Arizona 2014 Orthopaedic Spine Surgery




Dissertation: “Concomitant meniscus and articular cartilage lesions in the femoro-tibial joint” (german), Humboldt University, Charité Medical School, 1992

9/1992 – 12/1994
Research Fellow, Orthopaedic Surgery, Massachusetts General Hospital, Boston , MA („Kinetics of Demineralization of Human Cortical Bone“; „Orthotopic Allograft Rat Diaphyseal Transplantation“; „Immune Response to large frozen bone allografts in humans“ „Electron Microscopic Studies on the Process of Cortical Bone Demineralization“)

1/1993 – 12/1994
Associate Research Fellow, Wellman Laboratories of Photomedicine, Massachusetts General Hospital, Boston , MA („ Osteoinduction in Cortical Bone Allografts by Er:YAG Laser-Holes“;„ Improved Plating in Maxilliofacial Surgery by Use of an Er:YAG Laser“)

Visiting Research Fellow, Bone & Joint Research Laboratory, Ottawa General Hospital, University of Ottawa („Flexural Rigidity of Partially Demineralized Diaphyseal Bone Grafts“)

Visiting Research Fellow, Abteilung für Biomechanik, University of Ulm, Germany („Mechanical Test Methods for Long Bones“)

Visiting Research Fellow, Orthopaedic Research Laboratory, Case-Western University, Cleveland, OH („Allograft Bone Transplantation in a Canine Animal Model“)

3/1995 – 6/1996
Surgical Intern, Ruhr-University, Bergmannsheil Trauma Center, Bochum, Germany („Acceleration of Bone Allograft Incorporation. A Histological, Biomechanical, and Immunological Study in Sheep“)

4/1995 – 5/1996
Collaboration with AO Research Institute, ARI, Davos, Switzerland  („Techniques of International Fixation for Transplantation of Long Bones in Sheep“)

5/1995 – 3/1997
Collaboration with Immunology Dep. University of Essen, Germany, („Tissue Typing and Crossmatching of Recipients of Bone Allografts. An Experimental Study in Sheep“)

6/1995 – 4/1996
Collaboration with Biophysics Institute, University of Münster, Germany („Er:YAG Laser Drilling of Cortical Bone Allograft“)

8/1996 – 4/97
Orthopaedic Research Fellow, Orthopaedic Surgery, MGH, Harvard Medical School („Stimulators of Bone Resorption in Cortical Bone Allografts“)

Resident, Department of Surgery, Boston Medical Center, Boston, MA

7/1998 – 6/1999
Research Fellow, Orthopaedic Surgery, Massachusetts General Hospital, Boston , MA Clinical study on the use of perforated and demineralized cortical bone allografts

6/1999 –07/2003
Resident, Orthopaedic Surgery, Massachusetts General Hospital, Boston , MA Harvard Combined Orthopaedic Residency Program

08/01/2003 – 07/31/2004
Fellow   in   Spinal   Surgery   at   Cleveland   Clinic   Foundation,    Combined   Neurosurgical/ Orthopaedic Fellowship

Staff surgeon, Tucson Orthopaedic Institute, Tucson, Arizona

Staff surgeon, Center for Advanced Spinal Surgery, Tucson, Arizona

Clinical Assistant Professor in Orthopaedic Surgery, University of Arizona, Tucson, Arizona

Director for Clinical Education International Intradiscal Therapy Society (IITS)

Coordinator  Clinical  Education  America  Norte,  Sociedad  Interamericana  de      Cirugía  de Columna Mínimamente Invasiva (SICCMI)

Inducted Corresponding Foreign Member of the Brazilian Military Medical Academy


The American Board of Orthopaedic Surgery, 2009
The American Board of Spinal Surgery, 2009

State of Ohio
State of Arizona
State of New Mexico
Licensed to Practice Medicine in Germany (Approbation als Arzt)

American Academy of Orthopaedic Surgeons (AAOS)
Orthopaedic Research Society (ORS)
North American Spine Society (NASS)
Sociedad Interamericana de Cirugía de Columna Mínimamente Invasiva (SICCMI)
International Intradiscal Therapy Society (IITS)
World Congress Minimally Invasive Spine Surgery and Techniques (WCMISST)
Brazilian Military Medical Academy

LANGUAGES:  English, German, Spanish, Portuguese, Italian, Russian, Polish

VOLUNTEER WORK:  Visiting professor Centro de Coluna e Dor do Hospital Gaffrée e Guinle (HUGG) and coordinator of Professional Master in Science of Videoendoscopic Spinal Surgery at Universidade Federal do Estado do Rio de Janeiro – UNIRIO incepted November 2015.

Hospital das Clínicas de Ribeirão Preto, Riberao Preto, SP Brazil, August 18 – 28, 2013, visiting professor, volunteer work on Pediatric Scoliosis and Deformity Service with Prof. Helton Delfino

Volunteer Enducational Course Faculty for Comitê de Cirurgia Minimamente Invasiva de Coluna, Brazil, Praia de Forte, Salvador, Bahia, Brazil, August 18, 2012

Visiting Professor with Prof. Anthony Daher, Departamento de Neurocirugía, Hospital C. A. Esculapio, Calle Rondon Nr 9549 Valencia, Venezuela, volunteer work on reconstructive spinal cancer surgery, July 20-24, 2008

Visiting Professor, volunteer work establishing videoendoscopic surgery program at Hospital TijuTrauma, Hospital Badim, and Centro Cirúrgico at Barra Dor Hospital, Rio De Janeiro, Brazil, July 15-21, 2016.

INTERESTS:      Music, Piano, Foreign Languages, Travel, Cooking, Sailing, Writing, Bee Keeping


9/1992 – 4/1993
Fellowship, Rotary Foundation

7/1993 – 1/1994
Fellowship MGH Laser Center, Grant from the Department of Energy (DE-FG02-91 ER61228) 4/1995        Young Investigators Award of the European Surgical Research Society

3/1995 – 4/1995
Small grant „Mechanical Evaluation of Healing in Cortical Bone Allografts“, from the German- Canadian Science & Technology Foundation, Ministry of Foreign Affairs & International Trade, PI Lewandrowski

Grant “Allogeneic Bone Transplantation” from the Hauptverband der gewerblichen Berufsgenossenschaften (German Foundation), PI Lewandrowski

Milheim Foundation: – „Limb Salavage in the Treatment of Bone Tumors“, PI Lewandrowski, 9/1997 –  NIH/NIAMS Grant AR45062 „Improvement of Incorporation of Bone Allografts“, PI Lewandrowski,

Osteotech/OREF Award for Excellence in Bone Allograft Resarch

Inducted Corresponding Foreign Member of the Brazilian Military Medical Academy