Best Doctors in the World

Dr. Joseba Rebollo Liceaga is a seasoned medical oncologist with a comprehensive background in oncology.​

Education and Training:

Graduated in Medicine and Surgery from the University of Navarra (1985).​

Completed residency in Oncology in 1987.​

Specialist in Medical Oncology at the Clínica Universidad de Navarra (1991).​

Professional Experience:

Head of the Oncology Department at Clínica San Miguel de Navarra (1991–2004).​

Associate Physician at the University Clinic of the Faculty of Medicine, University of Navarra (1995–2002).​

Adjunct Physician at the Oncology Platform, Hospital Quirónsalud Torrevieja (2004–2014).

Head of the Oncology Department at Hospital General de Villalba (2014–2019).​

Currently practices as a Medical Oncology Specialist at Quirónsalud Alicante.​

Certifications and Training:

Completed multiple accredited courses in Multidisciplinary Oncology between 2003 and 2006.​

Research and Publications:

Authored research on electrochemotherapy and multidisciplinary treatment approaches in oncology.

Education and Training

Doctor of Medicine, Cum Laude, University of Navarra (1991)

Medical Degree, University of Navarra (1979–1985), Graduated with Honors

Board-Certified Specialist in Medical Oncology, via Spanish MIR system, Clínica Universidad de Navarra (1986–1989)

Advanced Fellowship in Immunotherapy, Cleveland Clinic Foundation, USA

Professional Experience

Head of Medical Oncology (1993–2000) and Director of the Cancer Institute (2000–2002), General Hospital of Catalonia

Director of Hematopoietic Progenitor Transplant Program, General Hospital of Catalonia (1993–2002), accredited by the Catalonian Health Department

Senior Specialist in Oncology, Quirónsalud Torrevieja (since 2002)

Clinical Innovations & Special Programs

Personalized Cancer Therapy using RNA microarrays and pharmacogenomics

Autologous Bone Marrow Transplants and High-Dose Chemotherapy

High-Dose Interleukin-2 Therapy via intravenous bolus for solid tumors

Personalized Cellular Anti-Tumor Vaccines

Hyperthermic Isolated Limb Perfusion with TNF and melphalan

Intra-arterial and Intraoperative Chemotherapy (HIPEC) for advanced cancers

Research & Academic Contributions

Author of 120+ scientific papers and conference presentations

Active contributor to the development of novel cancer immunotherapies and drug personalization strategies

Memberships

AACR – American Association for Cancer Research

ASCO – American Society of Clinical Oncology

ASH – American Society of Hematology

Dr. Ji Hyun Moon is an expert anesthesiologist at Urban Plastic Surgery.  She graduate from Ewha Womans University Department of Anesthesiology and Pain Medicine, and started her career as anesthesiologist. Dr. Ji Hyun aims to provide safe and comfortable environment to the patients, helping them to enhance thier beauty through a comfortable anesthesia. Being a full member of the Korean Society of Anesthesiologists, she brings her expertise to the clinic and high-quality serivce. Dr. Ji Hyun speaks English and she is able to keep communication with foreign patients.The doctor is our valuable team member, always bringing the confidence and kindness to the surgery environment.  

Assoc. Prof. Dr. Burak Eren
Specialist in Brain and Nerve Surgery

Neurosurgery Areas of Interest
    •    Brain Tumors
    •    Pituitary Tumors (Endoscopic)
    •    Brain Aneurysms
    •    Skull Base Tumors
    •    Spinal and Spinal Cord Tumors
    •    Lumbar Disc Herniation
    •    Cervical Disc Herniation
    •    Spondylolisthesis
    •    Spinal Canal Stenosis
    •    Traumatic Brain and Spinal Injuries

Personal Information
    •    Date of Birth: 03/11/1979
    •    Marital Status: Married, Father of 2 children
    •    Languages: English
    •    Title: Associate Professor – 10/03/2021

Education
    •    Bachelor’s Degree: Eskişehir Osmangazi University Faculty of Medicine, 1997-2003
    •    Specialty Training: Bezmi Alem Valide Sultan Education and Research Hospital, Neurosurgery Clinic / Istanbul, 2004-2010

Professional Experience
    •    Köyceğiz SSK Dispensary / Muğla (2003-2004)
    •    Bezmi Alem Valide Sultan Education and Research Hospital / Istanbul (2004-2010)
    •    Bakırköy Dr. Sadi Konuk Education and Research Hospital / Istanbul (2010-2012)
    •    Bilecik State Hospital / Bilecik (2012-2013)
    •    Special Nisa Hospital / Istanbul (2013-2014)
    •    Bağcılar Education and Research Hospital / Istanbul (2014-2024)

Articles Published in International Peer-Reviewed Journals:
    1.    Sağlam-Çifci Ece, Güleç İlker, Şengelen Aslıhan, Karagöz-Güzey Feyza, EREN BURAK, Paşaoğlu H Esra, Önay-Uçar Evren. The H4R antagonist, JNJ-7777120 treatments ameliorate mild traumatic brain injury by reducing oxidative damage, inflammatory and apoptotic responses through blockage of the ERK1/2/NF-κB pathway in a rat model (2025). Experimental Neurology. 115133. DOI: 10.1016/j.expneurol.2024.115133.
    2.    EREN BURAK, Karagoz Guzey Feyza, Gulec Ilker, Tufan Azmi, Bas Nuri Serdar. The Importance of Spinopelvic Parameters in Recurrent Lumbar Disk Herniation. Clinical Spine Surgery, 37(3), E113-E118. (2024). DOI: 10.1097/BSD.0000000000001546.
    3.    Aycan Abdurrahman, EREN BURAK, Tas Abdurrahim. Treatment and outcomes of patients with metastatic spinal cord compression: a double-center study. European Review for Medical and Pharmacological Sciences, 27(13), 6121-6131. (2023). DOI: 10.26355/eurrev_202307_32968.
    4.    Yücel Murat, Aktaş Özgür Yusuf, Zengi Oğuzhan, Taş Abdurrahim, Tufan Azmi, EREN BURAK, Karagöz Güzey Feyza. The effect of alpha-lipoic acid on nerve tissue healing after sciatic nerve crush injury in rats. Annals of Medical Research, 30(6), 684-691. (2023). DOI: 10.5455/annalsmedres.2023.09.246.
    5.    Tufan Azmi, Aktaş Özgür, EREN BURAK, Doruk Ebru, Gulec Ilker, Taş Abdurrahim, Karagoz Guzey Feyza. Effects of Age and Co-Morbidities on Complication Rate in Surgical Treatment of Lumbar Degenerative Diseases: A Prospective Clinical Study. Eastern Journal of Medicine, 28(4). (2023). DOI: 10.5505/ejm.2023.89646.

Papers Presented at International Scientific Conferences:
    1.    EREN BURAK. Comparison of Patients Who Voluntarily Applied to the Neurosurgery Outpatient Clinic Due to Spinal Diseases and Patients Referred by Family Physicians. 19th International Eastern Mediterranean Family Medicine Congress, 1266-1267. (2020). (Abstract/Oral Presentation) (Publication No: 6514176).
    2.    EREN BURAK. Relationship Between Spinopelvic Parameters and Recurrent Lumbar Disc Herniation. World Spinal Column Society Virtual World Spine. (2020). (Abstract/Oral Presentation) (Publication No: 6514209).
    3.    Tas Abdurrahim, Karagoz Guzey Feyza, Tufan Azmi, Kuvat Nuray, Aktaş Özgür Yusuf, EREN BURAK, Yücel Murat, Kahraman Akkalp Asli. Prophylactic Effects of Silver Nanoparticles in a Rat Model of Spinal Stabilization and Infection. World Federation of Neurosurgical Societies XVI. World Congress, 33-34. (2017). (Abstract/Oral Presentation) (Publication No: 6513245).

Chapters in Scientific Books:
    1.    Klinik Nöroanatomi (Clinical Neuroanatomy), Chapter Title: (Lesions of the Hypophysis and Hypothalamus, Their Pathophysiology, and Surgical Anatomy) (2023). EREN BURAK, Tufan Azmi. Güneş Tıp Kitabevleri. Editors: Karagöz Güzey Feyza, Balcıoğlu Hüseyin Avni. 1st Edition. Page Count: 613. ISBN: 978-975-277-971-6. (Scientific Book in Turkish).
    2.    Nöroşirürjinin Temelleri (Fundamentals of Neurosurgery), Chapter Title: (Diagnosis, Classification, and Treatment of Thoracolumbar and Sacral Trauma) (2020). EREN BURAK, Karagöz Guzey Feyza. US Akademi. Editors: Naderi Sait, Karagöz Güzey Feyza, Tuğcu Bekir. 1st Edition. Page Count: 610. ISBN: 978-605-9358-. (Scientific Book in Turkish).

Articles Published in National Peer-Reviewed Journals:
    1.    EREN BURAK, Karagöz Güzey Feyza, Güleç İlker, Baş N. Serdar, Ay Ferhat, Acaroğlu Muhammed A., Çuhacıbaşı Enes B. Neurosurgery Career Preferences Compared to Other Medical Specialties among Turkish Students. Tıp Eğitimi Dünyası, 22(68), 143-153.
    2.    EREN BURAK, Gulec Ilker, Karagoz Guzey Feyza, Saglam Ece, Tufan Azmi, Karacan Murat, Bas Nuri Serdar. Evaluation of Multiple Myeloma Patients Undergoing Decompression Due to Spinal Cord Pressure. Osmangazi Journal of Medicine, 42(5), 546-552. (2020). DOI: 10.20515/otd.571004.

Technical Notes, Case Reports, Research Notes, etc.:
    1.    Case Report: EREN BURAK, Karagoz Guzey Feyza, Gulec Ilker. Craniopharyngioma and Arteriovenous Malformation Operated Using the Same Craniotomy: An Unusual Case. Romanian Neurosurgery, 34(3), 437-440. (2020). DOI: 10.33962/roneuro-2020-070.
    2.    Case Report: Tufan Azmi, EREN BURAK, Tas Abdurrahim, Berker Neslihan, Aktaş Özgür Yusuf, Gulec Ilker, Vatansever Mustafa Safi, Karacan Murat, Vahabova Günay, Karagoz Guzey Feyza. Spinal Metastasis as a Presenting Feature of Follicular Type Thyroid Carcinoma: A Case Report and Review of the Literature. Bagcilar Medical Bulletin, 4(1), 1-9. (2019). DOI: 10.4274/BMB.galenos.2019.26888.

Education

Sep 2009 – Jun 2014      Medical Degree - Doctor of Medicine and Surgery (MD)

                                                University of Malta

Sep 2006 – Jun 2009      Bachelor of Science in Pharmaceutical Sciences (BSc Honours)

                                                University of East Anglia (United Kingdom)

Work Experience and Training

Aug 2021 – Aug 2022   Senior Skin Cancer Fellow

                                               St John’s Institute of Dermatology, Guy’s and St Thomas’ hospitals

                                               King’s College London, UK

Sep 2017 – Sep 2020    Dermatology and Venerology Specialty Trainee

                                               Sheba Medical Centre, Tel-Hashomer

                                               Tel-Aviv, Israel

Sep 2016 – Aug 2017   Senior House Officer in Ortho-Geriatrics

                                               Colchester University Hospital, NHS Foundation trust

Aug 2015 – Aug 2016   Year 2 Doctor

                                               NHS Greater Glasgow and Clyde

                                               Rotations in the following specialties: 

                                               General Medicine, Obstetrics and Gynaecology, Trauma & Orthopaedics

Aug 2014 – Aug 2015   Year 1 Doctor

                                               NHS Greater Glasgow and Clyde

                                               Rotations in the following specialties:

                                               General Medicine, General Surgery (skin cancer clinics and minor ops)

Other activity

• Clinical Tutor: 

1. Demonstrator - skin biopsy course
   St John’s Derm-academy London (June 2022)
2. Lecturer for the topic: Non-melanoma skin cancer for the MSc Dermatology, King’s College London (Aug 2021)
3. Instructor and tutor responsible for the St. George’s, University of London (Cyprus campus) and Tel-Aviv University medical students on rotation at the Dermatology department, Sheba medical centre (Sep 2018 – present) 
    
4. Delivering weekly tutorials to 5th year medical students of the University of Glasgow. Topic:  Skin cancers and melanoma (Jan 2015 – Aug 2016)

• Medical Student – Scholarship: University of Oxford, fully funded Clinical Elective at the department of Plastic Surgery – John Radcliffe University Hospital (Sep – Nov 2013)
  
   
• Medical Student – Elective: International Medical students Association funded elective, Plastic surgery – Ljubljana University Hospital (Sep 2012)
  
   
• Conferences and Courses

May 2022                      British Society of Skin Care in Immunosuppressed Individuals

                                          Update on skin diseases in immunosuppressed - London

Oct 2021                        British society of dermatological surgery course – London 

Sep 2021                        St John’s Academy dermoscopy course - London

Dec 2019                        International nail disorders conference – Tel-Aviv

Sep 2019                        Annual Dermoscopy course – Tel-Aviv

Sep 2018                       27th  EADV congress - Paris

Feb 2016                        Basic Surgical Skills course

                                           Royal College of Surgeons of Edinburgh (RCSEd)

Aug 2015                       Training the Clinical Teacher Diploma 

                                           University College London (UCL)

Sep 2013                        Head and neck flap course - NHS Oxford Deanery

Memberships and Registration

• Cyprus Medical Council
• Dermatology and Venereology specialist register
•  
• General Medical Council, UK
• Full registration 
•  
• European Academy of Dermatology and Venereology (EADV)

Dr. Lee Jong Seok graduated from Korea University School of Medicine. He also earned a master’s degree from Korea University Graduate School. He completed his clinical training at UChicago Medicine. Dr. Lee worked in the Plastic Surgery Departments at Korea University Guro Hospital and Yeoncheon Public Health Center.

He is a member of the Korean Society of Plastic and Reconstructive Surgeons, the Korean Cleft Palate-Craniofacial Association, and the Korean Association of Aesthetic Plastic Surgeons. Dr. Lee is a full member of the Eye Surgery and Rhinoplasty Research Societies within the Korean Society of Plastic and Reconstructive Surgeons. He has also worked as a surgeon at Pleasure Plastic Surgery and AB Plastic Surgery.

Education and Qualifications:

Doctor of Medicine (M.D.), Faculty of Medicine, Siriraj Hospital, Mahidol University (First Class Honours)

Diploma, Thai Board in Obstetrics and Gynecology, Faculty of Medicine, Siriraj Hospital, Mahidol University

Observership at National Skin Centre, National University of Singapore, Singapore

Observership at Severance Hospital, Yonsei Hospital, Seoul

Certificate of Training: Hands-on training for Thread Lift, Botulinum Toxin, Mesotherapy, IV Nutrition, Dermal Filler – CMC Co., Ltd. & Panacee Medical Center Co., Ltd.

Certificate of Attendance: 1st Ramathibodi Cosmetic Gynecology Conference & Hands-on Workshop

Certificate of Attendance: Aesthetic Anatomy Talk (Mid Face)

Basic and Advanced Filler Courses by Atier

Certificate of Attendance – Biostimulator Ultracol and UltraV Filler Workshop

Certificate of Attendance – Thread-lift by I-Thread Masterclass (Lecture & Live Demo Workshop)

Certificate of Attendance – GAIN Inspire Webinar Series 1 by Galderma

Certificate of Attendance – Trend of Labia Puffing (Step-by-step with Neuramis Filler Augmentation)

Certificate of Attendance – A Systemic Approach for Influencing Patients to Get Filler by Medcycles

Certificate of Attendance – Neuronox, Comeback on Stage by Medcycles

Certificate of Attendance – How to Maximize Neuronox 200U for Optimal Result & Profits (Lecture & Demo by Medcycles)

Certificate of Attendance – Chemical Characterization and Physical Properties of Dynamic Filler Teoxane

Certificate of Attendance – Fulfill Labia Webinar by Biohyalux Filler

Certificate of Attendance – Total Facial Rejuvenation and Contouring with Premium France Skin Booster and HA Filler by Dr. Riekie Smit

Certificate of Attendance – Gorgeous GOURI: A New Type of Injectable Filler or Entire Face Lifting by Edencolors Thailand

Certificate of Attendance – Online LG Aesthetics Collaboration with Dhurakij Pundit University (DPU) Educational Standalone Event

Dr. Won Ki Jeung is a medical doctor who specializes in plastic surgery. He is an Outpatient Professor in the Department of Plastic Surgery at Soonchunhyang University. Dr. Jeung is a member of the Korean Society of Plastic and Reconstructive Surgeons, the International Society of Plastic Surgeons, the Oriental Plastic Surgery Society, and the Korean Academy of Skull and Facial Plastic Surgery.

He has worked at One & One Plastic Surgery. Dr. Jeung contributes to his field through clinical practice and academic work.

Dr. Kim Han Kook is a medical doctor who specializes in plastic surgery. He works as an Outpatient Professor in the Department of Plastic Surgery at Soonchunhyang University. He is active in both teaching and clinical practice.

Dr. Kim is a member of several professional organizations, including the Korean Society of Plastic and Reconstructive Surgeons, the International Society of Plastic Surgeons, the Oriental Plastic Surgery Society, and the Korean Academy of Skull and Facial Plastic Surgery. He has also worked at One & One Plastic Surgery. His experience shows his strong commitment to the field.

Dr. Choi Soo Kyeong is a board-certified surgeon. She graduated from Chosun University College of Medicine. She completed her training at Bundang Jesaeng Hospital. Dr. Choi has worked at Yuno Plastic Surgery Clinic and Do Dream Plastic Surgery.

She is a member of several professional organizations. These include the Korean Society of Plastic Surgery, the Korean Society of Cosmetic Surgery, and the Korean Society of Plastic Surgeons. She also belongs to the Korean Society of Imaging Science, the Eye Surgery Research Association, and the Rhinoplasty Research Association.

RESEARCH ACTIVITY

1998–2000 — Conducted research on the genesis of cancer at The Royal Marsden Hospital (England).

PUBLICATIONS

Authored numerous peer-reviewed articles in scientific journals. Selected topics include:

Oncotype Dx Recurrence Score in BRCA1/2 germline mutation carriers with hormone receptor-positive breast cancer.

TP53 missense mutation recurrence in cancer patients of Arab descent.

Adjuvant autologous vaccine for stage III microscopic melanoma: biomarker survival and enhanced response to CTLA-4 blockade.

Prognostic significance of (R)CA15-3 assay in primary breast cancer.

Diagnostic and prognostic value of comparative thymidine kinase 1 (TK1) activity assays in breast cancer patient serum.

Complete remission in a BRCA2 mutation carrier with metastatic pancreatic adenocarcinoma treated with cisplatin.

Autologous vaccine-induced antitumor and self-reactive immune responses in melanoma: impact on patient survival and dependence on MHC class II expression.

PROFESSIONAL AFFILIATIONS

Israeli Society of Clinical Oncology

Israel Medical Association

AWARDS & GRANTS

Cancer Genetics Research Foundation Award

Landau Prize

Judith Segal Memorial Award

Dr. Paul Dreschnack is a world-famous Plastic Surgeon with 35 years of experience. He is nominee for the Nobel Peace Prize as well as the Nobel Prize in Medicine for the India Project, a plastic surgery camp in India treating thousands of patients with congenital birth defects or burn injuries each year. An innovator in his field, he has also done extensive research on stem cell therapy for hair regrowth and hair restoration in female and male baldness.

Dr. Dreschnack focuses on stem cell therapy, and cosmetic surgery including breast implants, reductions and lifts, liposuction and tummy tucks. He has been working to upgrade the design of saline implants, making them safer and more reliable. Dr. Dreschnack also works with patients providing skin evaluations and treatments for - Skin Cancer, scars and keloids, cysts, moles and skin tags, spider and varicose veins, birthmark removal, stretch marks, wrinkles and facial fillers. He also is trained in Hand and Microsurgery.

As an academician, Dr. Dreschnack reviews articles for the American Journal of Cosmetic Surgery on “Cosmetic Surgery of the Face, Breast and Abdomen” since 2006 and served as Clinical Instructor at LSU School of Medicine/Department of Surgery and SUNY Health Science Center in Brooklyn. He has received an Honorary Doctor of Humane Letters from Schiller International University, Medical Doctorate from Ross University School of Medicine in New Jersey, and received education at Yale University, Columbia University/College of Physicians and Surgeons, New York Medical College/Graduate Division and Manhattan College for his undergraduate work.

A prolific writer and accomplished presenter, he has given presentations for the American Society for Surgery of the Hand, and many others and been published in The American Journal of Cosmetic Surgery, on Medforum.com, Plastic and Reconstructive Surgery, Headache and the Proceedings of the American Association for Hand Surgery.

Dr. Dreschnack provides both women and men innovative and personalized care that nurtures mind, body, and spirit, He enjoys partnering with his patients to support their health, well-being and beauty.

Dr. Choi Jun is a board-certified surgeon. He graduated from Soonchunhyang University Faculty of Medicine. He is a member of the Korean Society of Hair Restoration Surgery, the Korean Society of Aesthetic Plastic Surgery, and the Korean Association of Laser, Dermatology and Trichology.

Dr. Choi has held leading roles at The Black Hair Transplant and MOJELIM Hair Transplant. He has extensive experience in hair restoration and aesthetic procedures. His clinical work and professional memberships show his dedication to advanced hair transplantation and plastic surgery techniques.

Dr. Kang Moon Seok is a respected plastic surgeon. He graduated Summa Cum Laude from the School of Medicine at SoonChunHyang University. He is an adjunct professor at SoonChunHyang University Hospital. He was named the top medical resident by the Korean Society of Plastic and Reconstructive Surgeons (KSPRS).

Dr. Kang is an active member of several KSPRS research groups. He takes part in committees focused on anti-aging plastic surgery, rhinoplasty, fillers, and threads. He also serves on committees in the Korean Society for Aesthetic Plastic Surgery. In addition, he is a member of the Korean Cleft Palate-Craniofacial Association, the International Society of Aesthetic Plastic Surgery, and the American Society of Plastic Surgeons.

Dr. Kim Young Bae is a board-certified surgeon. He graduated from Yonsei University's School of Medicine. He is the head professor of the Plastic Surgery Class at SoonChunHyang University.

Dr. Kim has held several leadership roles in the Korean Society of Plastic and Reconstructive Surgeons (KSPRS). His positions include Chairman, Auditor, Training Director, Finance Director, and Executive Director. He has also played an important role in the Korean Cleft Palate-Craniofacial Association. There, he served as Chairman, Director, and Scholarship Director of the Science Committee.

Dr. Kim is also the Chairman of the Research Society for Eye Surgery. This position highlights his expertise in plastic and reconstructive surgery.

Dr. Park Jang Woo is a plastic surgeon. He graduated from the School of Medicine at SoonChunHyang University. He works as a full-time doctor at SoonChunHyang University’s Cheonan Hospital. He is also an adjunct professor at SoonChunHyang University Hospital.

Dr. Park is a member of several respected organizations. These include the Korean Society of Plastic and Reconstructive Surgeons (KSPRS), the International Society of Aesthetic Plastic Surgery, the Korean Society for Aesthetic Plastic Surgery, and the Korean Society of Reconstructive Hand Surgery. He is also part of the Research Society for Eye Surgery.

Dr. Song Keulame is a board-certified surgeon. He graduated from Chosun University College of Medicine. He completed his training at Bundang Jesaeng Hospital. Dr. Song is a member of several professional organizations. These include the Korean Society of Plastic Surgery, the Korean Society of Cosmetic Surgery, the Korean Society of Plastic Surgeons, the Korean Society of Imaging Science, the Eye Surgery Research Association, and the Rhinoplasty Research Association.

Dr. Song has worked at Yuno Plastic Surgery Clinic and Do Dream Plastic Surgery. His experience shows his dedication to plastic and cosmetic surgery.

Dr. Oh Se Young is a board-certified surgeon. He graduated from Chosun University College of Medicine. He completed his training at Bundang Jesaeng Hospital. He specializes in plastic and cosmetic surgery.

Dr. Oh is a member of several professional organizations. These include the Korean Society of Plastic Surgery, the Korean Society of Cosmetic Surgery, and the Korean Society of Plastic Surgeons. He also belongs to the Korean Society of Imaging Science, the Eye Surgery Research Association, and the Rhinoplasty Research Association. He has worked at Yuno Plastic Surgery Clinic and Do Dream Plastic Surgery.

Dr. Lee Sun Ku is a plastic surgeon who specializes in breast surgery. He is a member of several professional organizations, such as the Korean Society of Plastic and Reconstructive Surgeons, the Korean Craniofacial Association, and the Korean Society of Aesthetic Plastic Surgeons.

Dr. Lee takes part in research groups within the Korean Society of Plastic and Reconstructive Surgeons. His research interests include eyelid, nose, and liposuction surgery. He is also a member of the Korean Society of Aesthetic Clinicians, the Korean Plastic Surgery Medical Association, and the Korean Society of Botulinum Research.