Dr. Klaus Novak is a neurosurgeon in Vienna with over 20 years of experience. He graduated from the University of Vienna in 1992. He became a board-certified neurosurgeon in 2001. He completed international training. This included research at Beth Israel Hospital in the United States. He introduced intraoperative motor evoked potential monitoring in Austria.

His clinical focus includes spine surgery, brain tumors, hydrocephalus, epilepsy, movement disorders, and neuromodulation. He is active in the interdisciplinary Movement Disorder Board at MedUni Vienna.

Dr. Rattalerk Arunakul is a specialist in Endoscopic Spine Surgery, Minimally Invasive Spine Surgery, and Adult Reconstructive Spine Surgery. He received his Doctor of Medicine from Chulalongkorn Hospital in 1999. He completed his orthopedic surgery training at Srinakarin Hospital, Khon Kaen University in 2004.

Dr. Arunakul has worked in research and clinical roles at top institutions. These include the University of California Irvine, Rady Children’s Hospital at UC San Diego, Cedars-Sinai Medical Center, and Yale School of Medicine. He has completed international training and fellowships in both adult and pediatric spinal care.

Dr. Gun Keorochana specializes in spinal interventions and minimally invasive spine surgery. His expertise includes MIS TLIF, LLIF, MIDLF, endoscopic spine surgery, and vertebroplasty/kyphoplasty. He received his Doctor of Medicine with First Class Honors from the Faculty of Medicine Siriraj Hospital, Mahidol University in 2000.

Dr. Keorochana completed orthopedic surgery training at Srinakarin Hospital, Khon Kaen University in 2004. He then joined a spinal surgery program at Ramathibodi Hospital, Mahidol University in 2006. He continued his training with a spine fellowship at UCLA Comprehensive Spine Center from 2008 to 2010. In 2010, he also completed a visiting fellowship in minimally invasive and endoscopic spine surgery at the Desert Institute for Spine Care in Phoenix, Arizona.

2002 – 2008 – Siriraj Medical School, Mahidol University

2008 – 2013 – Department of Internal Medicine, Rajavithi Hospital

2013 – 2015 – Department of Cardiology, Internal Medicine Rajavithi Hospital

2019 – 2020 – Cardiology Intervention, Department of Cardiology, Internal Medicine Rajavithi Hospital

Languages: English and Thai

Dr. Mustafa Emiroglu is a general surgery specialist at Memorial Bodrum Hospital. He has significant experience from his work at Sağlık Bilimleri University Tepecik SUAM (2016–2023) and Kırşehir Hospital (1997–1999).

He earned his medical degree from Istanbul University Cerrahpaşa Faculty of Medicine. He completed his specialization at Tepecik Training and Research Hospital. Dr. Emiroglu is a member of the Turkish Society of Surgery, the Endocrine Surgery Association, and the Colorectal Surgery Association.

He has attended advanced courses, including the Europe Senology Academia. He has also received training in proctologic, hemorrhoidal, and oncoplastic breast surgery, as well as thyroid diseases.

• Education/Academic Experience
•  
• 2004 medical doctor, University of Athhens
• 2009 doctoral thesis in Germany: trigeminocardiac reflex in transsphenoidal surgery
• 2008-2009 Research Fellow in minimally invasive lab, Rainbow and Babies Hospital, Case Western Reserve University, Cleveland, Ohio, USA
• 2013 board certified in Neurosurgery in Bayern, Germany
• 2013-2015 Clinical Fellowship in neurosurgical Oncology and spine surgery, Moffitt Cancer Center, University of South Florida, USA
• 2015-2016 Clinical Fellowship in skull base surgery, LSUHSC, Louisiana

Professional Experience

• 2013-2015 Clinical Fellowship in neurosurgical Oncology and spine surgery, Moffitt Cancer Center, University of South Florida, USA
• 2015-2016 Clinical Fellowship in skull base surgery, LSUHSC, Louisiana
• 2016-2018 attending neurosurgeon, imland Klinik Rendsburg, Germany
• 2019 associete in American Medical Institute
• 2021-2023 Head of Neurosurgery, Royal Artemis Hospital, Paphos
• 2023- Head of Neurosurgery, German Medical Institute, Limassol

Certification&Courses

• February 4-7, 2015 - 13th Annual Masters Course in Skull Base Surgery, Tampa FL
• November 14-15, 2014 - Approaches for Brain Tumor and Vascular Neurosurgery, Hands-On Course, Tampa FL
• July 19, 2014 - Radiofrequency-Targeted Vertebral Augmentation with the StabiliT System, Tampa, FL
• March 1, 2014 - Complications in Complex Spine Surgery, Avoidance and Management, Medtronic, Tampa FL
• February 21-22, 2014 - Minimally Invasive Spinal Surgery and Navigation, Tampa FL
• January 2014 - Kyphon Balloon Kyphoplasty, Tampa FL
• January 27, 2012 - Microscopic and endoscopic approaches to the skull base, Hands-On Course, IRCAD, Strasbourg
• May 27-29, 2010 - 2nd Baltic Sea 2010-International Hands-On Course on Full HD Endoscopic Neurosurgery, Greifswald
• February 4-5, 2010 - Neurosurgical Management of Pituitary Tumors, Tuebingen
• January 10, 2010 - Operative Techniques on degenerative lumbar spine, Hands-On Course, Munich

Trustworthy, attentive, successful neurosurgeon with over 34 years of experience, high rate of success and exceptional surgical skills, providing quality neurological service for patients, successfully treating over thousands of patients suffering from many severe, complex conditions of the brain, spine and the nerves. 

Experienced in performing treatment modalities like micro neurosurgery, endoscopic skull base surgery, endoscopic third ventriculostomy, minimally invasive spine surgery and percutaneous spine surgery. Keen on performing clinical research and attending national and international medical conferences to stay abreast of new technologies in the field. Compassionate and detail-oriented with excellent communication skills. Expertise in healthcare, education and program management. Adept at developing and implementing forward-thinking strategies to enhance patient outcomes and collective knowledge in the field. Desiring to bring skills and success. Focused on working closely with other medical professionals and following up with patients. Well-versed at emergency procedures and fast and accurate sanitation.

Work History

2020-01 – Current - Asst. Prof. Neurosurgeon

Istanbul Medipol University, Health Care Practice and Research Center Pendik Hospital

• He successfully treated and followed patients with cerebral hemorrhage, brain and spinal cord tumors, and patients with hydrocephalus.

• He performed transnasal pituitary surgeries with success.

• Also, many cervical lumbar and thoracic disc patients were successfully treated, and disc prosthesis were applied to some of them.

• He re-operated a degenerative spine patient who had been operated on before at another center and the patient regained his health.

• He also successfully treated patients with premature neonatal intracerebral hemorrhage.

2019-08 – 2020-01 - Neurosurgeon

Freelancer, Istanbul, Turkey

• Operated on patients' brains, spines and peripheral nerves to correct deformities, repair injuries, prevent and treat diseases and improve patients' motor functions. Performed successful operations for complex, advanced and complicated disease of the brain and spine some of which were operated unsuccessfully at other medical centers by different neurosurgeons.

• Offered advanced knowledge, leadership abilities and technical assistance with complex surgical cases.

• Maintained admitting privileges at local hospitals and provided quality follow-up care.

• Educated patients on recovery methods and times.

• Designed treatment plans for patients.

• Thoroughly assessed patients to identify medical condition and level of surgical risk.

• Founded a spinal surgery group with orthopedic surgeons and treated very advanced and severe vertebra deformities, spine abnormalities, scoliosis.

2018-12 - 2019-08 - Neurosurgeon

Alkafeel Super Speciality Hospital, Karbala, Iraq

• Conducted up to 5 operations per month to correct deformities in neurological and spinal systems, repair traumas, and treat diseases of different areas. Performed successful operations (success rate 100 percent : 90-95) for severe, complex and advanced diseases of the brain, spine and nerves in adults and children. (Cerebral intrinsic and extrinsic tumor surgery, posterior fossa surgery, spontaneous and traumatic intracranial hematomas, Interhemispheric 3th ventricle and lateral ventricle surgery, pontocerebellar angle tumor surgery, spinal instrumentation and fusion surgery, microdiscectomy cervical, thoracic, lumbar, pediatric cranial and spine anomaly surgery). Followed the patients postoperatively.

• Educated patients on recovery methods and times.

• Thoroughly assessed patients to identify medical condition and level of surgical risk.

• Performed emergency surgeries.

• Examined 900 patients in total in the outpatient clinic and gave medical treatments to them when necessary.

2015-10 - 2018-11 - Neurosurgeon

Medistate Kavacık Hospital, Istanbul, Turkey

• Operated on patients' brains, spines and peripheral nerves to correct deformities, repair injuries, prevent and treat different advanced, complex severe diseases and improve patients' motor functions.

• Conducted up to operations per month to correct deformities in neurological and spinal systems, repair traumas, restore partial or full functionality and prevent and treat diseases of different areas. 

• Performed successful operations (success rate percent : 95) for severe, complex and advanced diseases of the brain , spine and nerves in adults and children.(Brain tumor, arachnoid cyst, intracerebral hematoma, spinal stenosis, hydrocephalus, myelomeningocele).Followed the patients postoperatively. 

• Educated patients on recovery methods and times Thoroughly assessed patients to identify medical condition and level of surgical risk.

• Performed emergency surgeries (intracerebral hematoma, intracerebral abscess).

• Examined 850 patients in total in the outpatient clinic and gave medical treatment to them when necessary.

1994-03 - 2015-09 - Neurosurgeon

Ankara Training and Research Hospital, Ankara, Turkey

• Supervised trainees, medical students, residents and fellows to help each achieve proficiency in field.

• Conducted up to 20 operations per month to correct deformities in neurological and spinal systems, repair traumas, restore partial or full functionality and prevent and treat diseases of different areas. Performed successful operations (success rate: %90) for severe, complex and advanced diseases of the brain, spine and nerves in adults and children. (Skull base surgery, extended trans base approach, orbit zygomatic approach, presigmoid approach, orbital approaches, transcranial and lateral orbitotomy, Endoscopic transsphenoidal pituitary surgery, CSF leakage surgery, endoscopic, microscopic and transsphenoidal, transcranial. Endoscopic third ventriculostomy and surgery of multiloculated hydrocephalus and pediatric neurosurgery. Cerebral intrinsic and extrinsic tumor surgery, posterior fossa surgery. Brain aneurysm, AVM and cavernoma surgery.

• Spontaneous and traumatic intracranial hematomas. Hemifacial spasm and trigeminal neuralgia surgery (microsurgical decompression) Interhemispheric 3th ventricle and lateral ventricle surgery. Pineal area surgery. Pontocerebellar angle tumor surgery.

• Foreman magnum tumors surgery. Surgery of hydrocephaly, Syringomyelia and craniovertebral animalia).Followed the patients postoperatively.

• Educated patients on recovery methods and times Thoroughly assessed patients to identify medical condition and level of surgical risk.

• Performed emergency surgeries (Epidural, subdural and intracerebral hematoma, vertebra fracture).

• Examined 500-700 patients per day in the outpatient clinic and gave medical treatment to them when necessary. Examined patients in the emergency service.

• Designed treatment plans for patients.

• Offered advanced knowledge, leadership abilities and technical assistance with complex surgical cases.

• Led and oversaw 15 medical personnel in operating room setting to perform surgeries.

• Led and oversaw medical personnel in operating room setting to perform surgeries.

Education

1982-09 - 1988-08

M.D.: Medicine And (Pre-Medicine)

Ankara University Medical School - Ankara

General Medicine Training for 6 years. Graduated with a high GPA.

1988-11 - 1994-05

Specialist Neurosurgery: Neuroscience

University of Health Sciences - Ankara

6 years of neurosurgery training.

• My thesis was on brain abscess and their clinical and laboratory evaluations

1995-05 - 1995-07

Neuroscience

The Institute of Neurological Sciences and Psychiatry.

Ankara

I attended the course for microsurgery at University of Hacettepe Institute of Neurological Sciences and Psychiatry.

1998-04 - 2019-05

Observer Doctor: Neuroscience

Department of Neurosurgery, MSU - Ann Arbour, 

Michigan USA

2012-05 - 2012-05

Neuro endoscopy: Neuroscience

Ghent University - Ghent, Belgium

International endoscopic neurosurgery workshop, 

Ghent, Belgium

I attended the workshop for endoscopic skull base operations the and Neuro endoscopic third ventriculostomy at University of Ghent Hospital

Skills

Micro neurosurgery - Excellent

Neuro endoscopy - Excellent

Cranial base endoscopy - Excellent

Minimal invasive surgery - Excellent

Percutaneous spinal surgery - Excellent

Neuronavigation – Excellent

Certifications

1995-04 Microsurgery

2012-05 Endoscopy

Languages

Turkish - Native

English - Advanced

Arabic - Novice

Affiliations

Turkish Neurosurgical Society

Turkish Medical Association

Accomplishments

• Trained team of staff nurses in medical office procedures to ensure consistent quality of care.

• Published 17 articles in national and international reviews and presented papers in medical congresses.

Interests and operations I perform

Vascular diseases of brain

Endoscopic hypophysis surgery

Tumors of brain, spine and medulla spinalis surgery

Endoscopic brain ventricle surgery

Endoscopic third ventriculostomy 

Traumas of brain and spine

Cervical, thoracic and lumbar disc hernias and narrow 

canal disease surgery

Spine instrumentation and fusion surgery

Baclofen pump and neurostimulators insertions

Hydrocephalus surgery

Congenital diseases of the brain and spine (pediatric 

neurosurgery)

Peripheral nerve surgery

エルデン・エルトゥレル博士は、20年以上にわたってその職業に専念し、整形外科と外傷学を専門としています。整形外科的外傷学、手術、人工膝関節置換術、脊椎手術での専門知識で知られています。彼のキャリアには、さまざまな医療機関での幅広い経験が含まれており、複数の専門団体のメンバーです。エルトゥレル博士は医療研究にも多大な貢献をしており、その論文は著名なジャーナルに掲載されています。主に関節とプロテーゼ手術、脊椎手術、スポーツ医学に焦点を当てた多様な治療と医療手続きを提供しています。

学歴

• • イスタンブール・ビリム大学 – シシリ・フローレンス・ナイチンゲール病院 2012 - 2016 
• • シシリ・エトファル研究および教育病院 – 1997 - 2012

メンバーシップ

• • トルコ整形外科・外傷学会（TOTBİD） 
• • トルコ整形外科・外傷学協会（TOTDER） 
• • トルコ整形外科・外傷学教育評議会（TOTEK） 
• • トルコ脊椎学会（TOD） 
• • トルコ人工関節学会 
• • イリザロフ法の適用と開発のための四肢再建協会（ASAMİ TÜRK） 
• • 手および再建マイクロサージェリー協会 
• • AO同窓会（AO） 
•  

研究と出版 

• • 国際論文: 26 
• • 国内: 21 
• • 国際ジャーナルでの審査: 4 
• • 国際会議での発表: 41 
• • 国内会議での発表: 85 
•  

ジャーナルの編集と科学諮問委員会のメンバーシップ 

• • シシリ・エトファル研究および教育病院ジャーナル 
• • ACTAオルソペディカ・トゥルシカ 
• • イスタンブール・ビリム大学フローレンス・ナイチンゲール医学ジャーナル

提供される手術

• 椎間板ヘルニア手術
• 膝関節形成術
• 股関節鏡視下手術
• 足関節鏡視下手術
• 股関節置換術
• 人工膝関節置換術
• 肩関節置換術
• 半月板手術
• 変形性関節症の治療
• テニス肘またはゴルファーの肘の治療
• 肘関節置換術
• 股関節骨折手術
• 肘手術
• 足関節融合術

Dr. Ozden Gul is a general surgeon trained at Istanbul University Cerrahpaşa Faculty of Medicine. She completed her general surgery residency at Haydarpaşa Numune Training and Research Hospital. She has decades of surgical experience and is fluent in English.

Her practice includes gastrointestinal surgery (gallbladder disease, hernias, appendicitis, GI disorders). She also treats endocrine conditions (thyroid, parathyroid, adrenal) and breast disease, both benign and malignant. She manages emergency and trauma cases. She offers minimally invasive laparoscopic surgery.

She has worked at Haydarpaşa Numune, Bakırköy, Taksim First Aid, Uzunköprü State, Keşan State, Beykoz Medical Center, and Medivia Hospital. She is known for meticulous technique and patient-centered care.

3,000件以上の脊椎手術を実施 – Lolli医師はマリア・チェチリア病院において複雑な脊椎変形を専門としています。

• 23年の経験 の脊椎外科経験
• 側弯症および後弯症矯正のエキスパート
• 欧州最高峰の整形外科センターであるリッツォーリ整形外科研究所にて研鑽
• AO Spine学会の現役会員
• 主要医学誌に30本以上の論文を発表

Lee Sang‑Gu, MD, PhD, is the Honorary Director of Neurosurgery at Naeun Hospital. He treats spinal tumors and disorders. His work includes minimally invasive spine surgery, cervical spine conditions, head trauma, and disability and impairment evaluation.

He previously served as Chief of Neurosurgery at Korea Veterans Hospital. He was also Director and Professor of Neurosurgery at Gachon University Gil Medical Center. He is President of the Korean Spinal Cord Society. He is a former president of KOMISS, the Korean Medical Appraisal Society, and the Korean Peripheral Nerve Society. He has served as Executive Director of the Korean Neurosurgical Society, the Korean Neurotraumatology Society, and the Korean Spinal Neurosurgery Society. He was listed in Marquis Who’s Who in 2010. He is an AOSpine Asia Pacific committee member and a full member of NASS. He earned his MD and PhD from Hanyang University.

Dr. Jumana Baryhe is a specialist in advanced aesthetic and hair restoration procedures. She performs Botox injections, non-surgical nose correction, FUE and DHI hair transplants, beard and eyebrow transplants, brow lifts, lip implants, and laser vaginal rejuvenation. Dr. Baryhe is known for her skill in minimally invasive techniques. Her patients report high satisfaction with their results.

Dr. Baryhe is dedicated to excellence in her field. She has completed hundreds of successful procedures. Her reputation is built on technical expertise and personalized care. She uses the latest methods and follows international standards in cosmetic medicine.

Dr. Murat Erol is a general dentist with over 20 years of clinical experience. He graduated from Ege University Faculty of Dentistry in 2002. He provides care in English.

He offers preventive care and restorative treatments, including aesthetic fillings, crowns, and bridges. He also performs root canal therapy. His aesthetic services include whitening, composite bonding, and smile design. He provides fixed and removable prosthetics. His plans focus on oral function and natural aesthetics. Each treatment is tailored to the patient.

Dr. Lechanoine is a highly accomplished neurosurgeon with extensive international experience, currently serving as a senior consultant at Maria Cecilia Hospital in Italy. With over 2,500 surgeries performed, including 1,600 as the lead surgeon, Dr. Lechanoine has built a distinguished career specializing in complex brain and spine surgeries. His areas of expertise include brainstem conditions, intraventricular neuroendoscopy for hydrocephalus and tumors, transsphenoidal surgery for pituitary adenomas, and minimally invasive spine procedures such as UBE (Unilateral Biportal Endoscopy).

His medical journey has taken him across Europe and beyond, with positions at prestigious institutions such as CHU de Grenoble Alpes and CHRU de Tours in France, and Ospedale Santobono in Naples, Italy. In addition, his dedication to pediatric neurosurgery has led to international collaborations, including at the General Peltier Hospital in Djibouti and the Meyer Children’s Hospital in Florence.

Dr. Lechanoine’s education is equally impressive. He graduated in Medicine and Surgery from the University of Caen, France, in 2012 and specialized in neurosurgery at the University of Tours under the guidance of renowned professors Stéphane Velut and Patrick François. His specialization focused on innovative endoscopic treatments for intracranial arachnoid cysts in children. Throughout his career, Dr. Lechanoine has pursued numerous advanced training courses, earning prestigious certifications, including the Diploma of the European Association of Neurosurgical Societies (EANS) and the European Diploma of Spine Surgery (Eurospine).

In addition to his clinical work, Dr. Lechanoine has contributed significantly to the field of neurosurgery through research and education. He has authored numerous scientific publications in leading international journals, with a total impact factor of 71.46. He is also a dedicated educator, serving as a tutor at international workshops on brain and spine endoscopy, and he recently founded a UBE surgical training center at Maria Cecilia Hospital.