International Faculty

Dr Ronald Boet

Consultant Neurosurgeon, Christchurch Public Hospital, Christchurch, New Zealand

Private Neurosurgeon, Christchurch Brain and Spine, Christchurch, New Zealand

Clinical Lecturer, University of Otago, Christchurch, New Zealand

Honorary Associate Professor,  Chinese University of Hong Kong, Hong Kong, PRC SAR


Special interest in vascular and endovascular and lateral skull base Neurosurgery


Private combined cranial and spinal practice

Trained in Neurosurgery, Wentworth Hospital, Durban SA

Two year tutor specialist/vascular fellowship, Auckland City Hospital, Auckland, New Zealand

Five year assistant professor, Chinese University of Hong Kong, Hong Kong, PRC SAR


2003 to current, Public Neurosurgery, Christchurch, NZ

2008 to current, Private Practice Neurosurgery, Christchurch, NZ

Dr Bronek Boszczyk

Surgical: Exclusive focus on spinal surgery since 2003. Three years of spine surgery fellowship in Switzerland and UK. All areas of acute and elective spinal surgery of the adult and paediatric spine. Extensive experience in departmental leadership and HoS roles.


Since 2020 building a new paediatric spine department in the Aschau Paediatric Orthopaedic Hospital.


Academic: Academic appointments in UK and Germany with extensive publication track record as well involvement in emerging Medtech technology. Board / committee positions held in international spine societies and surgical simulation companies.


Co-Founder of NSpine. Dedicated spine surgery conference and education platform.

Dr Andrew Grossbach


Concordia University – St. Paul, MN 2002-2003

Hamline University – St. Paul, MN 2003-2006; Bachelor of Arts, Biology, Magna Cum Laude

University of Minnesota Medical School 2006-2010 (Medical Doctor)


Post-Graduate Training

Residency Physician – University of Iowa Hospitals and Clinics, Department of Neurosurgery. Iowa City, IA. 2010 – 2015

Chief Resident – University of Iowa Hospitals and Clinics, Department of Neurosurgery. Iowa City, IA. 2015-2016

Complex Deformity and Minimally Invasive Spine Fellow – Rush University Medical Center, Department of Neurosurgery. Chicago, IL. August – December 2016

Fellow Associate – University of Iowa Hospitals and Clinics, Department of Neurosurgery. Iowa City, IA. January 2017 – June 2017


Dr Michael Piccirillo 

Michael Piccirillo has spent 40 years in various sectors in healthcare – pharma, diagnostics, biotechnology, medical devices, and non-profit organisations.


He was the Executive Director and architect behind the creation of both AO Spine and later AO Trauma. Since opening his management consulting company VALUGEN in 2011, he has actively engaged in designing new competency-based learning and member engagement solutions for academic societies e.g., SMISS, SRS and NASS et al, and other organisations e.g., Nuvasive, Bioretec and Hong Kong University.


Michael has spent time to pioneer the building of Spine Centres of Excellence in the Middle East. And for the past few years, he has helped in designing novel KOL / Customer Engagement strategies for a diverse group of smaller medical device companies.


On top of his consulting work, Michael is active in supporting societies reengineer their work practices and currently co-chairs the Education Committee of SPINE20, a spine advocacy group linked to the G20.


Professor Salman Sharif

Chief of Neurosurgery – Liaquat National Hospital & Medical College, Karachi, Pakistan.

Chairman: WFNS Spine Committee

Past President: World Spinal Column Society

Past President: Pakistan Society of Neurosurgeons


Executive Committee Member:

Asia Pacific Representative, International Federation of Neuroendoscopy

Past President, Middle East Spine Society

Asian Congress of Neurological Surgeons

Asia Pacific Cervical Spine Society

South Asian Neurological Surgeons




AO Spine

Congress of Neurological Surgeons

American Association of Neurological Surgeons

Cervical Spine Research Society (European)

Fundraising Committee WFNS

Professor Stephanus Viljoen

Stephanus Viljoen is an Assistant Professor of Neurosurgery at The Ohio State University. His practice focuses on the treatment of all spinal conditions with specific focus on adult spinal deformity, and complex reconstructive spine surgery.


He graduated from medical school from the University of Nebraska Medical Center. He completed an internship and neurosurgical residency at the University of Iowa Carver College of Medicine in 2015.


Dr. Viljoen completed a fellowship in adult spinal deformity from Northwestern University in Chicago Illinois before joining as faculty at The Ohio State University. He serves as Co-Director of the Ohio State Comprehensive Spine Centre, as well as the Division Chief of Spine in the Department of Neurosurgery.


His research interests include spinal biomechanics, clinical outcomes research, and device development.  He has three US Patents and has authored over thirty-eight peer reviewed journals. He is a member of The Ohio State Neurosurgical Society, and the Congress of Neurological Surgeons.

Dr Ralf Wagner

Jun 2022 –  Medical consultant  – Berit Clinik, Vöggelinsegg

Feb 2011 –  Chief medical consultant  – Ligamenta Spine Centre

  • Specialist for orthopaedics, spinal surgery at Red-Cross-Hospitals in Frankfurt
  • Self-employed at the Ligamenta Spine Center
  • Conservative and surgical treatment of spine
  • Treatment of complexe spinal disorders
  • Minimally-invasive treatment methods

2008–2011 –  Chief medical consultant  – Bethanien Krankenhaus-Bethanien Spine Centre

July 2007 –  Founder of the Institute of Medical Expertises IMB

2003–2008  – Medical assistant Orthopaedics, Chief resident

Local Faculty

Coming soon