Best MRI of one area doctors: TOP 546 doctors

Dr. Fritz Leutmezer is a leading neurologist and chief physician at the University Hospital of Neurology in Vienna. He also runs a private practice. He is known for his skill in diagnosing and treating neurological diseases. His main areas of focus are multiple sclerosis, epilepsy, headaches, and inflammatory disorders of the nervous system.

Dr. Leutmezer uses advanced treatment methods. He often includes acupuncture for headaches, musculoskeletal pain, nerve pain, facial paralysis, and spasticity, especially in patients with multiple sclerosis. His clinic is known for high patient satisfaction and follows the latest international standards in neurology.

Graduate of the Faculty of Medicine at the Medical University of Łódź.

Since 1987, assistant and then senior assistant at the orthopaedic ward in Zgorzelec. From 2003 to 2007, assistant in the orthopaedic ward and head of the hospital in Lubań.

From January 2008, head of the department of orthopaedics and trauma surgery at the Jelenia Góra Regional Hospital. In 2012, orthopaedic surgeon at the KCM Clinic.

For years, Dr Jarosław Mączyński has mainly dealt with the problem of alloplasty [implantation] of large joints - mainly the hip and knee.

He has performed more than 1,500 hip and knee prosthetic procedures both primary and revision, hip capoplasty, joint reconstruction procedures, peri-prosthetic fractures using state-of-the-art implants and revision systems.

The doctor is certified in the use of hip, capoplasty and knee implants from all leading companies.

Jarosław Mączyński, MD, performs diagnostic examinations in the field of:

Diagnostic and surgical arthroscopy of the knee joint

Arthroscopy of the knee joint with ACL reconstruction

Hip joint endoprosthesis

Docent Stanisław Kwiek is an eminent specialist in neurosurgery.

Doctor Stanisław Kwiek is a graduate of the Silesian Medical Academy in Katowice. In 1995, he became a first degree specialist in neurosurgery and 3 years later completed his second degree specialisation in neurosurgery and neurotraumatology. In 1997, he was awarded a doctorate in medical sciences. A few years later, he defended his postdoctoral thesis entitled: ‘Determination of predictive factors determining the long-term outcome of patients with vestibular nerve casing operated on with retro-axial access: analyses and observations made on the basis of own surgical experience during operations performed with intraoperative multimodal monitoring of the patient's neurophysiological functions’. The paper was published in 2013 by the publishing house of the Silesian Medical University.

He acquired his professional experience working, among others, as an assistant professor at the Department of Neurosurgery of the Medical University of Katowice, with which he is still associated.

Dr Stanislaw Kwiek's professional interests include issues related to neurosurgery and neurotraumatology. He diagnoses and treats diseases of the nervous system, including discopathy.

Dr. Stanislaw Kwiek, M.D., performs procedures in the field of:

Spinal surgery

Endoscopic surgery of the cervical spine - removal of a herniated disc

SED-YESS lumbar endoscope

Coblation - nucleotomy-discectomy, cervical segment

PLDD - percutaneous laser disc decompression

Dynamic stabilisation with Medtronic DIAM flexible implant

Spinal gel implant - DISCOgel nucleoplasty

Vertebroplasty of the thoracolumbar vertebral body

Diagnostic blockade

Dr. Manuela Seifert is a top German breast specialist.

Specialty

Dr. Manuela Seifert is a specialist in diagnostics, therapy and aftercare of breast diseases and sonography.

Dr. Seifer applies breast conserving operations as a key treatment method.

Work experience

• Since 2016 – Head of Breast Clinic at Medical Center in Solingen
• 2012-2016 – Breast & senology specialist at Helios Universitätsklinikum Wuppertal
• 2001-2012 – Senior gynecologist and obstetrician in the Gynecology & Obstetrics Department at Klinikverbund St. Antonius und St. Josef GmbH.

Education

• The Medical Faculty of the Heinrich-Heine-University – Degree in general medicine
• Klinikverbund St. Antonius und St. Josef GmbH – Specialty in gynecology and obstetrics.

Dr. Jarosław Dawiskiba is a specialist in orthopedics and traumatology of the musculoskeletal system.

he provides specialist consultations and is the operator of the KCM Clinic’s Orthopedics and Traumatology Department, specializes in arthroscopic procedures with particular emphasis on the  knee and shoulder joints. He also performs highly specialized surgical procedures of diagnostic and surgical video-arthroscopy of the knee joint, as well as post-traumatic reconstruction of the cruciate ligaments with titanium and bio-absorbable implants.

Diseases treated:

knee pain

fractures

tennis elbow

shoulder pain

hip pain

arthritis

Carpal tunnel syndrome

injuries

degenerative diseases

calcaneal spur

Neurosurgery Training: Gazi University, Department of Neurosurgery, 2011 

H index: 10, I10 Index: 12 Citations: 296

 Dr Mehmet Tonge has international and nationwide 32 publications, 12 book chapters, 92 oral and poster presentations and 41 invited lectures, mostly on Stereotactic and Functional Neurosurgery. 

Work & Training experience:

2004-2011: Gazi University, Department of Neurosurgery (Residency)

 2008: Zurich University Hospital, Department of Neurosurgery (Intraoperative MRI applications), Switzerland 

2008: Zurich University Hospital, Department of Neurosurgery: Microneurosurgery, white matter dissection, interventional neuroradiology courses, Switzerland 

2011 – 2012: Sinop Ataturk State Hospital, Neurosurgeon

 2012 – 2013: Cankiri State Hospital, Neurosurgeon 

2013 – 2014: Istanbul Medipol University, Department of Neurosurgery & Gamma Knife Center (Ass Prof) 

2013 – now: Maastricht University Neurosurgery & Neuroscience Department (Visiting scientist, PhDc) The Netherlands 

2014: Maastricht University, The Netherlands: Deep Brain Stimulation Fellowship 2014-2018: Istanbul Memorial Hospital Neurosurgery: Staff Neurosurgeon

 2016-2018: Istanbul Florence Nightingale Hospital (Consultant, Gamma Knife Center) 

2018-now: Istanbul Medipol University (Stereotactic & Functional Neurosurgery, Gamma Knife Center) Ass. Prof.) 

Dr Mehmet Tonge has completed 4-year cycle EANS (European Association of Neurosurgical Societies) Training courses. 

Clinical areas of interest:

 • Stereotactic & Functional Neurosurgery

 • Surgery for movement disorders

• * MR Guided Focused Ultrasound (MRgFUS)

 • Gamma Knife Radiosurgery 

• Surgery for pain & spasticity 

• Psychosurgery

Research areas of interest: 

• Deep brain stimulation

• * MR Guided Focused Ultrasound (MRgFUS)

 • Stereotactic radiosurgery 

Administrative duties:

 • Turkish Neurosurgical Society, Sterotactic & Functional Neurosurgery Section: Board member 2015- 2017 

• Turkish Neurosurgical Society, Sterotactic & Functional Neurosurgery Section: Board member (Secretary) 2017-2019

 • Turkish Skull Base Society: Board member 2016-2018

 • Turkish Skull Base Society: Supervisory board member 2018-2020

 • Deep Brain Stimulation and Movement Disorders Surgery Society: Executive Board Member, (Accountant) 2023-still 

Memberships: 

• WSSFN (World Stereotactic & Functional Neurosurgery Society) 

• ESSFN (European Stereotactic & Functional Neurosurgery Society)

 • Deep Brain Stimulation and Movement Disorders Surgery Society

 • Deep Brain Stimulation Society 

• International Stereotactic Radiosurgery Society 

• Leksell Gamma Knife Society 

• EANS (European Association of Neurosurgical Societies) 

• Turkish Neurosurgical Society

• Turkish Skull Base Society

Sample Publications: 

1. Tonge M. Technological developments in electric based DBS. Deep Brain Stimulation 2024 4(36-41) DOI: https://doi.org/10.1016/j.jdbs.2023.12.001 

2. Akgul E, Onan HB, Islek I, Tonge M, Durmus Y, Barburoglu M, Azizova A, Erol C, Hakyemez B, Sencer S, Aydin K, Arat A. Flow diverter stents in the treatment of recanalized intracranial aneurysms. Interv Neuroradiol. 2021 Aug;27(4):481-489. doi: 10.1177/1591019921990507. Epub 2021 Jan 28. PMID: 33509011; PMCID: PMC8580529. 

3. Mulders AEP, Temel Y, Tonge M, Schaper FLWVJ, van Kranen-Mastenbroek V,Ackermans L, Kubben P, Janssen MLF, Duits A. The association between surgical characteristics and cognitive decline following deep brain stimulation of the subthalamic nucleus in Parkinson's disease. Clin Neurol Neurosurg. 2021 Jan;200:106341. doi: 10.1016/j.clineuro.2020.106341. Epub 2020 Nov 3. PMID: 33160716. 

4. Wetzelaer P, Vlis T, Tonge M, Ackermans L, Kubben P, Evers S, Kocabicak E, Temel Y. Management of Hardware Related Infections after DBS Surgery: A Cost Analysis. Turk Neurosurg. 2018;28(6):929- 933. doi: 10.5137/1019-5149.JTN.21511-17.1. PMID: 29465741. 

5. Bedirli N, Emmez G, Ünal Y, Tönge M, Emmez H. Effects of positive end- expiratory pressure on intracranial pressure during pneumoperitoneum and Trendelenburg position in a porcine mode. Turk J Med Sci. 2017 Nov 13;47(5):1610-1615. doi: 10.3906/sag-1609-17. PMID: 29152942. 

6. Sari R, Tonge M, Bolukbasi FH, Onoz M, Baskan O, Silav G, Elmaci I. Management of Failed Cranioplasty. Turk Neurosurg. 2017;27(2):201-207. doi: 10.5137/1019-5149.JTN.15395-15.0. PMID: 27593759. 

7. Tonge M, Kocabicak E, Ackermans L, Kuijf M, Temel Y. Final Electrode Position in Subthalamic Nucleus Deep Brain Stimulation Surgery: A Comparison of Indirect and Direct Targeting Methods. Turk Neurosurg. 2016;26(6):900-903. doi: 10.5137/1019-5149.JTN.13739-14.1. PMID: 27337232. 

8. Tonge M, Ackermans L, Kocabicak E, van Kranen-Mastenbroek V, Kuijf M, Oosterloo M, Kubben P, Temel Y. A detailed analysis of intracerebral hemorrhages in DBS surgeries. Clin Neurol Neurosurg. 2015 Dec;139:183-7. doi: 10.1016/j.clineuro.2015.10.017. Epub 2015 Oct 23. PMID: 26513430. 

9. Silav G, Bölükbaşı FH, Özek E, Tönge M, Önöz M, Elmacı İ. A Simple Technique for Bone Storage after Decompressive Craniectomy in Children. Pediatr Neurosurg. 2015;50(3):161-4. doi: 10.1159/000381748. Epub 2015 May 14. PMID: 25998533. 

10. Yilmaz MB, Donmez H, Tonge M, Senol S, Tekiner A. Vertebrojugular arteriovenous fistula and pseudoaneurysm formation due to penetrating vertebral artery injury: case report and review of the literature. Turk Neurosurg. 2015;25(1):141-5. doi: 10.5137/1019-5149.JTN.8247-13.1. PMID: 25640560. 

11. Kurt G, Tönge M, Çeltıkçı E, Çapraz I, Serdaroğlu A, Bılır E. Surgery for intractable temporal lobe epilepsy: experience of a single institution. Turk J Med Sci. 2014;44(5):866-70. doi: 10.3906/sag-1307- 30. PMID: 25539559. 

12. Yılmaz MB, Tönge M, Emmez H, Kaymaz F, Kaymaz M. Neuroprotective effects of quetiapine on neuronal apoptosis following experimental transient focal cerebral ischemia in rats. J Korean Neurosurg Soc. 2013 Jul;54(1):1-7. doi: 10.3340/jkns.2013.54.1.1. Epub 2013 Jul 31. PMID: 24044072; PMCID: PMC3772279. 

13. Yilmaz MB, Egemen E, Tonge M, Kaymaz M. Transoral protrusion of a peritoneal catheter due to gastric perforation 10 years after a ventriculoperitoneal shunting: case report and review of the literature. Turk Neurosurg. 2013;23(2):285-8. doi: 10.5137/1019-5149.JTN.4904-11.1. PMID: 23546921. 

14. Omerhodzic I, Tonge M, Matos B, Musabeliu E, Raspanti C, Ferdinandov D, Galimova R, Muroi C, Balik V, Kursumovic A. Neurosurgical training programme in selected European countries: from the young neurosurgeons' point of view. Turk Neurosurg. 2012;22(3):286-93. doi: 10.5137/1019- 5149.JTN.5133-11.0. PMID: 22664994. 

15. Ergun E, Kurt G, Tonge M, Aytar H, Tas M, Baykaner K, Ceviker N. Effects of phenytoin sodium on dura mater healing in a rat model of CSF leakage. Turk Neurosurg. 2011;21(4):471-6. PMID: 22194102. 

16. Emmez H, Tonge M, Tokgoz N, Durdag E, Gonul I, Cevıker N. Radiological and histopathological comparison of microporous polysaccharide hemospheres and oxidized regenerated cellulose in the rabbit brain: a study of efficacy and safety. Turk Neurosurg. 2010 Oct;20(4):485-91. doi: 10.5137/1019- 5149.JTN.3300-10.2. PMID: 20963698. 

17. Emmez H, Yildirim Z, Kale A, Tönge M, Durdağ E, Börcek AO, Uçankuş LN, Doğulu F, Kiliç N, Baykaner MK. Anti-apoptotic and neuroprotective effects of α-lipoic acid on spinal cord ischemiareperfusion injury in rabbits. Acta Neurochir (Wien). 2010 Sep;152(9):1591-600; discussion 1600-1. doi: 10.1007/s00701-010-0703-9. Epub 2010 Jun 10. PMID: 20535507. 

18. Kurt G, Tonge M, Börcek AO, Karahacioglu E, Gurel O, Baykaner K, Ceviker N, Aykol S. Fractionated gamma knife radiosurgery for optic nerve tumors: a technical report. Turk Neurosurg. 2010 Apr;20(2):241-6. doi: 10.5137/1019-5149.JTN.1681-09.3. PMID: 20401852. 

19. Emmez H, Kale A, Tönge M, Cakir A, Ceviker N. Two meningiomas with different histological grades in the same patient. Case report. Neurol Med Chir (Tokyo). 2010;50(8):686-8. doi: 10.2176/nmc.50.686. PMID: 20805656.

Op. Dr. Kemal Paksoy was born in Trabzon in 1982. In 2007, he graduated from Karadeniz Technical University Faculty of Medicine. In 2014, he completed his specialty training at Ondokuz Mayıs University Faculty of Medicine, Department of Neurosurgery. Between 2014-2018, he worked at Rize Kaçkar State Hospital Neurosurgery Clinic. Between 2018 and 2024, he worked at Memorial Hospitals Group Spine Center. Since 2023, he has been a member of the academic staff as Dr. Faculty Member at Üsküdar University Faculty of Medicine. Since 2024, he has been working at NPISTANBUL Brain Hospital Neurosurgery Clinic.

Dr. Kemal Paksoy has also worked in many clinics in the fields of neuromodulation and algology and has participated as a participant, speaker and organizer in dozens of scientific meetings held in Turkey and abroad.

He has published in many international and national scientific journals.

Dr. Eyup Bakmaz is an experienced orthopedic surgeon in Istanbul. He specializes in sports medicine, knee replacement, and hip arthroscopy. He has over 20 years of clinical experience at Gayrettepe Florence Nightingale Hospital. Dr. Bakmaz performs both minimally invasive and traditional orthopedic procedures.

He is known for his skill in treating orthopedic trauma and sports injuries. He also focuses on advanced rehabilitation. Dr. Bakmaz is a certified specialist from Istanbul University Cerrahpaşa Faculty of Medicine. He is committed to evidence-based and personalized patient care. His patients report high satisfaction and strong surgical results.

Education and Specialization:

• Medical Degree: Istanbul University Cerrahpaşa Faculty of Medicine (1991-1998)
• Specialization in Neurosurgery: Karadeniz Technical University Faculty of Medicine (1999-2005)
• Associate Professorship: (2015)
• Professorship: (2020)

Professional Experience:

• 2007-2008: Ankara GATA
• 2009-2011: Özel Ordu Medical Park Hospital
• 2011-2013: Ankara Keçiören Training and Research Hospital
• 2013-2015: Giresun University Faculty of Medicine
• 2014: Clinical Observer at Helsinki University Central Hospital
• 2015-2023: Karadeniz Technical University Faculty of Medicine
• Current Position: Neurosurgeon at VM Medical Park Pendik Hospital

Areas of Expertise:

• Brain Aneurysm and Repair
• Brain Tumor/Cancer Surgery
• Spinal Canal Stenosis Surgery
• Lumbar and Cervical Disc Herniation
• Spinal Cord Surgery
• Minimally Invasive Neurosurgery
• Pediatric Neurosurgery
• Congenital Anomalies

Research and Publications: Prof. Dr. Arslan has numerous publications in prestigious journals, covering topics such as the treatment of brain and spinal tumors, innovative neurosurgical techniques, and outcomes of neurosurgical interventions. His work includes studies on brain ischemia/reperfusion injury, spinal cord ischemia, and various other neurosurgical conditions.

Professional Memberships:

• Turkish Neurosurgery Association
• Turkish Society of Neurological Surgery

Piya Assawaboonyadej, M.D.

Prof. Ralf Buhl is world famous neurosurgeon with over 20 years of experience. Doctor Buhl heads the Neurosurgery Department at Solingen Klinikum. His reputation reaches China and the US where he provides neurosurgical lectures.

Specialty

Dr. Buhl specializes in non-invasive methods treatment of disc herniation, brain and spinal cord tumors. The doctor provides treatment of peripheral nervous system disorders and performs computer-assisted navigation microsurgeries.

Dr. Ralf Buhl has provided over 4,000 successful neurosurgeries. Among his patients are famous politicians, businessmen, musicians, actors. In 2015, a Hollywood star George Clooney had severe back pain and was treated by Professor Buhl.

Scientific activity

Dr. Buhl conducts scientific work and researches in intracranial cavernomas treatment, surgical treatment for brain metastases and other neurosurgery areas.

Рrofessor Buhl has cofound the Fund devoted to the study of brain tumors.

Medical Area of Interest and Activities 

Functional Neurosurgery (Parkinson’s, Deep Brain Stimulation) 

Brain and Spinal tumors 

Spinal degenerative diseases Education 

Istanbul University Cerrahpaşa Faculty of Medicine 

Trakya University Faculty of Medicine Brain and Nerve Surgery

Education 

Istanbul University Cerrahpaşa Faculty of Medicine 

Trakya University Faculty of Medicine Brain and Nerve Surgery

Experience 

Ankara Gülhane Military Medical Academy Brain and Nerve Surgery 

Osmaniye State Hospital 

Bolu State Hospital 

Private Taksim German Hospital 

Taksim Training and Research Hospital 

Istanbul University Faculty of Medicine Brain and Nerve Surgery 

Liv Hospital Ulus

Memberships 

Turkish Neurosurgery Society 

Turkish Medical Association

Research and Publications 

Development of micro-neurosurgery laboratory training model for orbita and optical nerves on fresh lamb cadaver (2007) • 

Effect of Astaxanthin on NMDA sub units and MRNA expression levels in Primary Cortical Neurons 

Articles in International Journals (18)  

Chapters in International Books (1) 

Articles in National Journals (5) 

International Papers (12) 

National Papers (24) 

Dr. Camel Kopty is a specialist in internal medicine, gastroenterology, endoscopy, and hepatology. He focuses on liver and pancreatic diseases, as well as bile duct disorders. He has performed more than 28,000 diagnostic and therapeutic endoscopic procedures. Dr. Kopty has strong experience in gastroscopy and colonoscopy.

He has received several awards and quality certificates in clinical endoscopy. His research in hepatology, including hepatitis B and C, has gained international recognition. Dr. Kopty has published many articles and received FDA research awards for his work.

EDUCATION 

1974/1979 Elementary School 

1979/1982 Secondary School 

1982/1985 High School 

1985/1991 GATA Military Medical Faculty 

1995/1999 GATA Resident in Orthopaedics. 

1999/2002 Specialist in Orthopaedics. 

2002/2008 GATA Assistant Prof in Orthopaedics 

2008/2009 MAYO Orthopedic Departments (with Franklin Sim, MD), Pathology Department ( with Carrie INWARDS, MD) and Orthopaedic Research Laboratory (with Michael YASZEMSKI) 

2009/2012 GATA Associate Prof in Orthopaedics 

2012/ 2016 İstanbul Medipol University Orthopaedics and Traumatology Dep 

2016/ 2019 Ankara Güven Hospital Orthopaedics and Traumatology Department 

Oct 2019 Marmaris 

DISSERTATION 

The treatment of intraarticular fractures of lower extremity with Ilizarov sirculer external fixator. 

EXPERIENCE: 

Orthopedic Oncology 

Trauma Surgery (war injury, politrauma surgery) 

External Fixation (war injury, open fractures, deformity, limb lengthening) 

Arthroplasty 

Foot and ankle surgery 

AWARDS 2006 Best research presentation. Comparison between the distraction and grafting methods in the treatment of peripheral neural defects: an experimental study in rabbits. Acta Orthop. Traumatol. Turc; 39 (2) 163/171, 2005. 

2005 Best oral presentation. High dose neoadjuvan chemotherapy combined with autologous stem cell transplantation and limb sparing surgery in patients with nonmetastatic osteosarcoma Acta Orthop. Traumatol. Turc; Supp II. 39 (2) 79/80, 2005. 

2005 Best poster presentation. Vascular and nonvascular fibular reconstruction results of benign aggressive and malign bone tumors. Acta Orthop. Traumatol. Turc; Supp II. 39 (2) 171, 2005 

MEMBERSHIP IN SOCIETIES 

TOTBİD (TURKISH ORTHOPAEDIC ASSOCIATION) 

TMSTS (TURKISH MUSCULOSKELETAL TUMOR SOCIETY) 

TURKISH ASAMI 

TURKISH FOOT AND ANKLE SOCIETY 

TURKISH TRAUMA SOCIETY SOMOS 

TEACHING RESPONSIBILITIES 

Associate Professor in Orthopaedic Oncology and Trauma Graduate Program. 

INTERNATIONAL MEETINGS ATTENDED 

1. 4th Congress of The EFORT. 3/8 June, 1999. Brusells. 

2. 3rd Meeting of the ASAMI International 27/29 May 2004 İstanbul / Turkey. 

3. Asia pasific Musculoskeletal Tumor Society 5th meeting. 23/25 April 2004 İzmir / Turkey 

4. 18th Annual meeting European Musculoskeletal Oncology Society. 25/27 May 2005. Italy. 

5. 7th International Congress on Spine. 14/17 April 2005. Antalya / Turkey 

6. 19th Annual meeting of European Musculo-Skeletal Oncology Society. 24/25 May 2006. Russia. 

7. 4th meeting of ASAMI International. 2006 Japan. 

8. 14th ISOLS 11/14 2007 Germany 

9. 5th meeting of ASAMI International. Russia 2008 

10.MAYO Clinic Department of Orthopedic Surgery, A celebration of musculoskeletal tumor surgery meeting. Sep 23/25 2010 Rochester, MN, USA 

11.XXXIII Course on Musculoskeletal Pathology. 8/12 Feb. 2010. Bologna ITALY 

12. 16th ISOLS 2011 China 

13.7th meeting of ASAMI International. Greece 2012

Prof. Dr. Birol Baytan is a respected pediatric hematologist. He focuses on diagnosing and treating childhood cancers, leukemia, anemia, and bleeding disorders. He graduated from Ankara University Medical Faculty in 1992. He completed his specialization at Uludağ University Faculty of Medicine, Department of Child Diseases.

Prof. Baytan has published 15 articles in international journals. He has presented and published 9 full texts at international scientific meetings. He has contributed to 3 books or book chapters. He has also published 8 articles in local journals. These achievements show his strong academic presence in pediatric hematology.

Curriculum Vitae

Name: Yasin Kulaksız
Date of Birth: November 20, 1992
Title: Specialist Doctor

Education

Doctarate (PhD)
Field: Ear, Nose, and Throat (ENT)
University: Bezmialem Vakıf University
Year: [Year of Completion]

Doctorate (PhD)
Field: Ear, Nose, and Throat (ENT)
University: Bezmialem Vakıf University

Skills

• Expertise in Rhinoplasty and ENT surgeries
• Patient assessment and care
• Surgical techniques and postoperative management
• [Additional relevant skills]

Prof. Dr. Onur YAMAN was born in Germany in 1976. In 2001, he graduated from Ege University Faculty of Medicine. In 2009, he received his specialization in Neurosurgery from Celal Bayar University. Between 2009-2011, he worked as a Neurosurgeon at Muş State Hospital and Rize Training and Research Hospital. Between 2011-2013, he worked at Tepecik Training and Research Hospital. Between 2013-2014, he worked at Ankara Spine Center. Between 2014-2018, he worked at Koç University Hospital Spine Center and received the title of associate professor in 2015. Between 2018-2024, he worked at Memorial Hospitals Group's Spine Center and was awarded the title of professor in 2021. Between 2023-2024, he worked as an instructor at Arel University Faculty of Medicine. Since 2024, he has been working at NPISTANBUL Brain Hospital and at the same time he is an instructor at Üsküdar University Faculty of Medicine.

Prof. Dr. Onur YAMAN is the president of the Middle East Spine Society since 2022. In addition, he is active in many professional associations.

He has made numerous oral presentations at international and national congresses and has edited books and book chapters published in many international and national publishing houses.

Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.

Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.