Dentistry - Open Journal
Pouran Famili, DMD, MDS, MPH, PhD
Department of Periodontics
School of Dental Medicine
University of Pittsburgh
4200 Fifth Ave
Pittsburgh, PA 15260, USA
Dr. Famili is Full Professor in the Department of Periodontics and Preventive Dentistry and Chair of the Department since 2005, with a secondary appointment as Full Professor in the University of Pittsburghs Clinical and Translational Science Institute. She graduated from the Periodontics Residency Program and received her Masters degree in Dental Science from the University of Pittsburgh, followed by the DMD, and then earned her MPH (2000) and the PhD in the field of Epidemiology in 2005. She has been a member of the Periodontics Faculty since 1986 and has served the University and the Profession with Distinction, becoming a Diplomate in both Periodontics and Implantology, and a fellow in the International Congress of Oral Implantologists, the American College of Dentists, and the International College of Dentists, among many others. She is active in both the local and national chapters of the Dental Honorary OKU, and in 2005 was a finalist for the Chancellors Distinguished Teaching Award. In addition to several publications on both topics, she has received financial grant support to study the relationship between dental implant placement and osteoporosis from the International Congress of Oral Implantologists and from NobelBiocare. She is a member of both the American Academy for Dental Research and the International Academy for Dental Research and has presented her research nationally and internationally. Dr. Famili has taken great pleasure in working to actively mentor the careers of periodontics residents and dental students throughout her own career at the University of Pittsburgh, and has produced many publications, presentations, and service learning opportunities, presented to peer-reviewed national and international dental and implantology meetings. She regularly peer-reviews research funding proposals for the National Institutes of Health, curriculum tools for the Med Ed Portal knowledge website (sponsored jointly by the Association of American Medical Colleges and ADEA), and scholarly articles for many different journals in the dental press. She is very active in academic dentistry, participating in the American Dental Education Associations Womens Affairs and Minority Affairs Committees, often presenting symposium topics regarding implantology, mentoring, or the first professional education of young dentists. Dr. Famili practices periodontics exclusively in the University of Pittsburgh faculty practice.
University of Pittsburgh, certificate in periodontics 1979
University of Pittsburgh, M.D.S. 1980
University of Pittsburgh, D.M.D. 1985
University of Pittsburgh, MPH 2000
University of Pittsburgh, PhD 2005
Daniel Kazachkov, DMD
Dental Arts of Westwood
Dentist Serving Westwood
Needham, Dedham, Norwood, MA, USA
• (2004-2008) D.M.D. degree Tufts University School of Dental Medicine
• (2000-2004) 4 year accelerated Biology/Chemistry program with BS in Biology with honors - University of Massachusetts
WORK EXPERIENCE & PROFESSIONAL DEVELOPMENT
•(2014-Present) Dental Arts of Westwood, Dentist Serving Westwood, Needham, Dedham, Norwood, MA, USA
•(2013-2014) Boston University School of Dental Medicine Restorative Faculty teaching students
•(2010-Present) Advanced Dentistry at Dental Arts of Westwood as Owner and Sole Proprietor, performing general dentistry, advanced cosmetic/prosthetic dentistry and the full scope of Oral Surgery and Endodontic Procedures.
•(2011-Present) General Dentistry Oral Surgery and Endodontics at International Place Dental Associates
•(2010-Present) General Dentistry Oral Surgery and Endodontics at All Smiles Dental Inc. in Lowell, MA where I developed a large referral base
•(2008-2010) General Dentistry at Family Dental with cosmetic dentistry and a developed Endodontics and Oral Surgery referral base as well as impacted wisdom tooth removal.
•(2008-2009) General Dentistry at Gentle Dental with experience in Prosthodontics, Endodontics, Operative Dentistry and Oral Surgery
•(2007-2008) Student Teacher in the Tufts Dental Lab TA program for Paula Callahan
•Implantology Fellow from the American Dental implant Association run by Dr. Arun Garg from The Miami Implant Institute
•Volunteer work at Native American Reservations in Arizona doing dentistry in the desert.
To know more about Dr. Kazachkov, please visit his personal website:
Saurabh Gupta, MDS
Oral and Maxillofacial Surgeon
Dr.Saurabh Gupta holds Masters Degree in Oral & Maxillofacial Surgery and has been in surgical practice since 2014. He is also trained in multiple allied surgical disciplines including Implantology and Laser dentistry. He is involved in cosmetic dentistry including smile design (Certified in ClearPath, botox & fillers). He has published his papers in various National and International journal publications and magazines like Dentistry today(U.S), Access(U.S) etc.
He is an editorial board member for many national and international journals. He is also working as a Medical Academic writer & Research Scientist since 2010 at one of the renowned freelancing sites www.freelancer.com
Institut Jean Lamour
Université de Lorraine
Campus Artem, 2 allée André Guinier 54 000 NANCY cedex (France)
Accreditation to Supervise Research in Materials Science Engineering « Vers l’élaboration maîtrisée de matrices extracellulaires 3D naturelles à délivrance contrôlée et le développement d’études in situ sous spectroscopie champ proche » presented the 06th of December 2012 at the University of Lorraine (France).
PhD in Materials Science Engineering « Comportement mécanique des films minces sur substrat sous contrainte de compression » Presented the 31th of May 2001 at the University of Poitiers (France).
M.S. Materials Science Engineering – « science des matériaux : surfaces - interfaces » Universités Aix-Marseille.
Michelle A. (Kurpakus) Wheater, PhD
Associate Professor with Tenure
Director of Research
Department of Biomedical and Diagnostic Sciences
University of Detroit Mercy School of Dentistry
2700 Martin Luther King Jr. Blvd.
Detroit, MI 48208-2576, USA
Dr. Wheater received a Ph.D. in Biochemistry from Lowa State University, Ames, Iowa, and conducted postdoctoral research at Northwestern University Medical School, Chicago, Illinois. She is currently the Director of Research and Student Academic Leadership Development and Division Director of Biomedical Sciences at University of Detroit Mercy School of Dentistry, Detroit, Michigan. Dr. Wheater is a member of the American Dental Education Association and AADR/IADR.
Tamer Abdel-Azim, DDS
Assistant Professor of Prosthodontics
Department of Oral Health and Rehabilitation
University of Louisville School of Dentistry
Louisville, KY 40202, USA
Dr. Abdel-Azim is an Assistant Professor of Prosthodontics at the University of Louisville School of Dentistry. He obtained his Prosthodontics Certificate at the University of Rochester. Dr. Abdel-Azim maintains a private practice limited to implant and Esthetic Dentistry. He is a fellow of the International Team for Implantology, a member of the American Dental Association and the American College of Prosthodontists. Dr. Abdel-Azim has lectured nationally and internationally on dental implants, complex rehabilitations and digital dentistry. He has several publications in peer-reviewed journals in the fields of prosthodontics and implant dentistry. He maintains a private practice limited to implants, esthetic dentistry and prosthodontics.
Pradeep Bhagavatula, BDS, MPH, MS
Program in Dental Public Health
Department of Clinical Services
Marquette University School of Dentistry
1801 W Wisconsin Ave
Milwaukee, WI 53233, USA
Dr. Bhagavatula is currently an Assistant Professor in Program in Dental Public Health at Marquette University School of Dentistry, Milwaukee, Wisconsin. He received his Bachelor of Dental Surgery from Bapuji Dental College and Hospital, Davangere, India, Master of Public Health from University of Alabama at Birmingham and Master of Science in Dental Public Health from University of Iowa. His primary research interest is in examining the role of social determinants of oral disease and dental care utilization.
Brian C. Muzyka, DMD, MS, MBA
East Carolina University School of Dental Medicine
600 Moye Blvd., Greenville
North Carolina 27834, USA
Dr. Muzyka is an Associate Professor at East Carolina University School of Dental Medicine in Greenville, North Carolina. Dr. Muzyka is also the Director of Hospital Dentistry for Vidant Medical Center, a 909 bed level 1 trauma center and tertiary care facility. He practices general dentistry and oral medicine at the Hospital Dentistry Dental Practice.Dr. Muzyka received his DMD from Temple University School of Dentistry, certificate in Oral Medicine from the University of Pennsylvania School of Dental Medicine, and his Master of Healthcare Management and Masters of Business Administration degrees from the University of New Orleans.He is the author of over 50 peer-reviewed articles, books, book chapters and monographs dealing with issues related to oral healthcare, healthcare management and business. His research centers on oral health, oral medicine and the delivery of dental care to medically complex patients. His most current research deals with tobacco cessation and prevention, salivary gland and signaling changes in Sjogrens syndrome and oral mucositis. He has lectured locally, nationally, and internationally on these subjects.
Ahmed El-Angbawi, BDS, MSc, PhD, MOrth (RCS Ed), FHEA
Clinical Lecturer in Orthodontics
University of Glasgow
Sauchiehall Street 378
Glasgow G2 3JZ, UK
Dr. Ahmed El-Angbawi is a Clinical Lecturer in Orthodontics in the University of Glasgow, United Kingdom. Dr. El-Angbawi graduated from the Faculty of Dentistry, Alexandria University (Egypt) in 1999. He studied Orthodontics in Alexandria University, where he graduated with a Master Degree in Orthodontics. Dr. El-Angbawithen moved to the University of Glasgow, where he was appointed as a clinical lecturer in Orthodontics in 2009. He was awarded his PhD in Orthodontics from the University of Dundee in 2013, and upon completion of his CCST in Orthodontics in the University of Glasgow he was awarded MOrth from the Royal College of Surgeons in Edinburgh.
Dr. El-Angbawi is involved extensively in orthodontic undergraduate teaching and postgraduate programs in the United Kingdom and overseas. He holds a Certificate in Academic Practice (PGCAP) from the University of Glasgow, and his is also a Fellow of the Higher Education Academy in the United Kingdom.
Dr. El-Angbawi has a special interest in research related to effective orthodontic treatment and 3D prediction planning for orthognathic treatment. He published several articles in international journals and presented his research outcome in several national and international scientific meetings and conferences. He is a reviewer in several peer reviewed scientific journals.
Yang Yanqi, BDS, MOrth RCS (Edin), PhD, FDS RCS (Edin)
Clinical Assistant Professor in Orthodontics
Faculty of Dentistry
University of Hong Kong
Dr. Yang is the Clinical Assistant Professor in Orthodontics, Undergraduate Programme Director in Orthodontics in Faculty of Dentistry, the University of Hong Kong. She supervises the clinical and research work of MDS students and research of PhD students. She completed her orthodontic specialty training in Peking University and got doctoral degree in 2003. She was awarded Fellowship of Royal College of Surgeons of Edinburgh in 2013. She is the member of World Federation of Orthodontists, Hong Kong Society of Orthodontists, Hong Kong Dental Association, International Association of Dental Research, American Association of Orthodontists and European Orthodontic Society. She is the reviewer of International Journal of Dentistry, Journal of Investigative and Clinical Dentistry, The Angle Orthodontist, Scientific Research and Essays, European Journal of Orthodontics, Oral Health and Preventive Dentistry, Journal of Industrial & Engineering Chemistry, Regulatory Peptides, Phytotherapy Research, etc.
Wenyuan Shi, PhD
Professor and Chair of Oral Biology
UCLA School of Dentistry
Professor of Microbiology, Immunology and Molecular Genetics
UCLA School of Medicine
Le Conte Avenue 10833, Los Angeles, CA 90095 1668, USA
Dr. Shi is a chairman and professor of Oral Biology at UCLA Schools of Dentistry. His laboratory has been using multidisciplinary approaches to study oral microbial pathogenesis with a specific focus on microbial biofilm, inter-species interaction and signal transduction. In addition, his laboratory is actively involved in the development of next generation of diagnostic and therapeutic tools against oral microbial infections, including instant chairside detection of oral pathogens and peptide based targeted antimicrobial therapeutics. These translational research efforts have resulted in novel technologies that are licensed and developed by major pharmaceutical, dental and biotech companies. Dr. Shi is also the founding scientist, chief science officer, and chairman of the scientific advisory board of C3 Jian Inc.
Dr. Shi obtained his BS degree from Fudan University (Shanghai) in 1984, acquired his Ph.D degree from University of Wisconsin-Madison in 1991 and fulfilled his postdoctoral training at University of California-Berkeley during 1992-1995. He is co-author and co-inventor of over 200 scientific articles and patents.
David Earl Simmons, DDS
Department of Periodontics
LSUHSC - School of Dentistry
1100 Florida Avenue Box 138
New Orleans, Louisiana 70119, USA
•(1963) Professional School: Loyola of the SouthSchool of Dentistry, New Orleans, Louisiana, D.D.S. Degree
•(1960-1967) United States Navy - Lieutenant JR Dental Corps
PRIVATE PRACTICE/ WORK EXPERIENCE:
•(1998-Present) Faculty -Louisiana State University School of Dentistry
•(1965-1998) Private Practice New Orleans Louisiana
•(2005-Present) Assistant Professor of Clinical Periodontics
•(2002-2005) Clinical Assistant Professor of Periodontics
•(2001-2002) Instructor, Dental Morphology –RDH
•(1998-2001) Instructor/Department of Prosthodontics
Otto Lok Tao Lam, BSc, BDS, PhD
Clinical Assistant Professor
Oral Rehabilitation of the Faculty of Dentistry
The University of Hong Kong
Pokfulam, Hong Kong, China
Dr. Lam received his PhD from Oral Rehabilitation, Faculty of Dentistry, The University of Hong Kong (HKU). He also previously received his BDS at HKU, and his BSc (microbiology) at The University of Victoria, British Columbia, Canada. He is currently a Clinical Assistant Professor at the Faculty of Dentistry, HKU, and his research interests include oral rehabilitation of patients following stroke, geriatric dentistry, and oral microbiology of medically compromised patients. He is currently engaged in research studies involving oral health promotion interventions among patients following stroke, and elders under long- term institutional care.
Ismael Khouly, DDS, MS, PhD
Diplomate, International Congress of Oral Implantologists
Clinical Assistant Professor, Department of Oral and Maxillofacial Surgery
Clinical Research Coordinator, Bluestone Center for Clinical Research
NYU College of Dentistry
421 First Avenue, 2nd Floor
New York, NY 10010-4086, USA
Dr. Khouly is currently a Clinical Assistant Professor in the Department of Oral and Maxillofacial Surgery and clinical research coordinator and investigator at the Bluestone Center for Clinical Research at New York College of Dentistry (NYUCD). He received his DDS from Spain from the University of Granada, College of Dentistry, and he also spent some time studying at the dental institutes of the University of Oslo, Norway and Queen Marys University of London in the United Kingdom. After receiving the DDS, he obtained a Masters Degree in Tissue Engineering from the School of Medicine at the University of Granada. Then he relocated his career path to the United States and completed a three-year advanced program in implant and comprehensive dentistry at NYUCD. In addition to that, he received his Ph.D. in Biomedicine (sinus augmentation using growth factors and collagen membranes) and International Doctorate Certification from University of Granada School of Medicine in Granada and NYUCD in 2013. He has several years of research experience and he has been involved in several randomized clinical trials, systematic reviews, and case reports, mainly in periodontics, implant dentistry and oral cancer. He is currently reviewer for the Journal of Periodontology.
Boyd E. Robinson, DDS, MEd
Universitiy of Florida College of Dentistry
PO Box 100412
Gainesville, FL 32610, USA
Dr. Robinson is a Clinical Associate Professor and currently the Interim Dean University of Florida College of Dentistry. He is a graduate of the University of the Pacific, School of Dentistry. He comes to the University of Florida after serving 26 years in the United States Navy. During his active duty time in the Navy he received a certificate in Comprehensive Dentistry from the Naval Postgraduate Dental School.
His Navy career afforded him many opportunities. He had the distinct honor to be the dentist to the President of the United States. He served for both President Reagan and Bush (senior). He also had several leadership roles as Director of the Naval Postgraduate Dental School and as Commanding Officer of the Naval Dental Center Northeast. He spent time at sea aboard the aircraft carrier, USS Carl Vinson and with the Marines at Camp Pendleton, California.
Dr. Robinson is a Diplomate and past President of the Federal Services Board of General Dentistry, and a Diplomate to the American College of General Dentistry. He is a fellow of the International College of Dentists, American College of Dentists, and the Academy of General Dentistry. He is currently on the editorial board for the Journal of Operative Dentistry.
Dr. Robinson is married to the former Janis Marie Poppin.
Bapanaiah Penugonda, BDS, MS, FADM
Group Practice Director
Department of Cariology and Comprehensive Care
New York University College of Dentistry
New York, USA
• (1985-1987)- Advanced Study in Dentistry for Foreign Trained Dentists, New York University College of Dentistry, 345 East, 24th St, New York, New York 10010
• (1980-1982)- M.S. Master of Science (Dental Materials Science), New York University Graduate School of Arts and Sciences, New York University College of Dentistry, New York, New York 10010
• (1969-1974)- B.D.S. Bachelor of Dental Surgery, Institute of Medical Sciences, Osmania Medical College
• Oct. 1987 - Present General & Cosmetic Dentistry, 19 West 44th Street, Suite 400, New York, New York 10036
• Dec.1977- Sept.1980 Dentist to the Government of Belize, General Dentistry, Belmopan, Belize, Central America
• Dec. 1977 – Sep.1980 Private Practice, General Dentistry, Belmopan, Belize, Central America
• Jul. 1975 – Jul. 1977 Associate Dentist, General Dentistry, Hyderabad, Andhra Pradesh, India
• Resident, General Dentistry, Institute of Medical Sciences, Osmania Medical College, Hyderabad, INDIA
• July 1974 - July 1975 : Rotations in Oral Surgery, Oral Diagnosis, Oral Radiology, Orthodontics, Endodontics, Operative Dentistry, Prosthodontics & Periodontics
Joseph P. Graskemper, DDS, JD, DABMM
Associate Clinical Professor
Stonybrook School of Dental Medicine
General Practice Program (GPP)
State University of New York, School of Dental Medicine
Stony Brook, New York, USA
Dr. Graskemper currently practices full-time in Bellport, New York. He graduated from Xavier University, attended Case Western Reserve Graduate School, obtained his dental degree from Ohio State University in 1977 and his law degree from Thomas Jefferson School of Law in San Diego, California in 1987. After dental school, where he was awarded a Navy Dental Scholarship, he was stationed at Camp Pendleton with the 1st Fleet Marine Division as a Lieutenant, U.S. Navy Dental Officer. He has been awarded Fellowships from the Academy of General Dentistry, American Endodontic Society, International Congress of Oral Implantologists, American Society of Osseointegration, and The American College of Legal Medicine. Recently, Dr Graskemper became a Diplomat in the American Board of Medical Malpractice.
Besides practicing dentistry full-time, he also is an Associate Clinical Professor in the 4th year General Practice Program at Stonybrook School of Dental Medicine, and teaches the Professionalism and Ethics in Dentistry course for residents and Dental Law at the 2nd, 3rd, and 4th year dental students. He was the past Director of Professional Responsibility courses and past Editor-in-Chief of the Stonybrook School of Dental Medicine GPR Literature Review Journal. Currently, he is the faculty advisor to the Student Professionalism and Ethics Association Club at Stonybrook. He belongs to many professional organizations and has served as a consultant to several state dental boards. He is a Board member of the International Dental Ethics and Law Society and the American Board of Medical Malpractice. Dr. Graskemper has authored many peer-reviewed articles, has lectured and published nationally and internationally. He recently published a book, “Professional Responsibility in Dentistry: A Guide to Law and Ethics”.
Prior to moving to Long Island to be closer to family, Dr. Graskemper was the previous sole owner of a fee-for-service multi-specialty group practice in La Jolla, California, having an Endodontist, Periodontist, Oral Surgeon, Prosthodontist, Orthodontist, Implantologist, and a General Dentist. He also was the President of Dentcom Advertising. While in California, he was also the owner of Sorrento Valley Ceramic Arts, a full service dental lab, and Chief of the Scripps Memorial Hospital Dental Staff.
He is very active in his community by being a Past President of the Patchogue Kiwanis Club, Past Chairman of the Board of Trustees of Maryhaven Center of Hope, a large Long Island wide agency serving the severely mentally and physically handicapped individuals of all ages. He currently is active in the Patchogue and the Bellport Chambers of Commerce; and, a past Chamber Member of the Year in Bellport. Recently, he was elected to the Board of Directors of the Suffolk County Dental Society.
Rafael Arcesio Delgado-Ruiz, DDS, MSc, PhD
Prosthodontics and Digital Technology
1103 Westchester Hall
Stony Brook, NY 11794-8712, New York, USA
• 1996- DDs, National University of Colombia, Bogotá, Colombia
• 1998- Specialist, Complutense University, Madrid, Spain, Specialist in Preventive Programs for the Oral Health at Public and Private Level
• 1999- Specialist, Oral Medicine, Complutense University, Madrid, Spain, Specialist in Oral Medicine
• 2000- Accreditation, Direction of Radio diagnosis Facilities, Cartagena, Spain, Director of Radio diagnosis Facilities
• 2007- Fellowship, Granada University, Granada, Spain, Animal Experimentation and Animal Research
• 2008- Postgraduate, Valencia University, Valencia, Spain, Prosthodontics
• 2009- PhD., Murcia University, Murcia, Spain Doctor of Philosophy, Summa Cum Laude
• 2011- MSc., Murcia University, Murcia, Spain, Implant Dentistry
• 1996-1997 Chief of Oral Health Deparment, Health Department of Guainia, Colombia
• 1998-2012 Private Practice, focused on implant dentistry and implant prosthodontics, Spain
• 2007-2012 Associate Professor of Restorative Dentistry, Faculty of Medicine and Dentistry, Murcia University, Murcia, Spain
• 2007-2012 Associate Professor of Clinical Dentistry, Faculty of Medicine and Dentistry, Murcia University, Murcia, Spain
• 2009-2012 Assistant Professor of “Master in Clinical Dentistry, Implant Dentistry and Biomaterials”, Murcia University, Murcia, Spain.
• 2013-Present Assistant Professor, Prosthodontics and Digital Technology, Stony Brook University, New York, USA
Gururaj Arakeri, BDS, MDS
Department of Oral and Maxillofacial Surgery
Navodaya Dental College and Hospital
Raichur, Karnataka, India
Dr. Gururaj Arakeri completed his undergraduate from AME’s Dental college of Gulbarga university and post-graduate specialization from Bapuji Dental College and Hospital, Davangere of Rajiv Gandhi University of Health sciences Bangalore, India. Initially, he served as a general practitioner for six years in Shahapur, a remote place in Karnataka. During his general practice, he has conducted various treatment and awareness Dental health camps in rural areas of Shahapur town. He is a renowned Kannada dental health writer in Karnataka and has got more than 100 Kannada dental health articles published in leading newspapers and magazines.He has done a significant work on Oral Submucous Fibrosis which is well appreciated in the medical field. He has given various techniques and theories to the field of maxillofacial surgery. Currently, he is involved in many Oral submucous fibrosis human and animal studies in Hyderabad – Karnataka region of Karnataka.
Dr. Gururaj Arakeri is associated with the department of oral and maxillofacial surgery of Navodaya Dental College and Hospital Raichur Karnataka. His areas of interest are Oral Submucous Fibrosis, Oral cancer, TMJ ankylosis and orthognathic surgeries.
Mohammed Mustafa, BDS, MDS, FPFA, FADI (USA), FICD
Assistant Professor and Head of Endodontic Division
Department of Conservative Dental Sciences, College of Dentistry
Prince Sattam bin AbdulAziz University, P.O.BOX: 153
AlKharj - 11942, Kingdom of Saudi Arabia
Mohammed Mustafa, is an Assistant Professor and Head of Endodontic Division, Department of Conservative Dental Sciences, and also holds an additional responsibility of being College Coordinator (Quality & Development), College of Dentistry, Prince Sattam Bin AbdulAziz University, AlKharj, Saudi Arabia. Dr. Mustafa has more than 20 scientific papers published in well recognized and peer reviewed journals. He is also in editorial board for some national and international reputed journals. Dr. Mustafa holds a BDS (Bachelor of Dental Surgery) and MDS (Master of Dental Surgery) with specialization in Conservative Dentistry and Endodontics. He has also been honored with fellowships i.e. Fellowships in Pierre Fauchard Academy (FPFA), Fellowship in Academy of Dentistry International (FADI, USA) and also Fellowship in International College of Dentists (FICD).
Abdulaziz Ahmed Ali Samran
Assistant Professor and Chairman
Department of Restorative & Prosthetic Dental Sciences
College of Dentistry
Dar Al-Ulom University
Riyadh, Saudi Arabia
2010-2014: Doctorate in Prosthodontics (DMD), Department of Prosthodontics, Propaedeutics and Dental Materials, Christian- Albrechts University, Kiel, Germany.
2006-2010: Master Degree in Fixed Prosthodontics (MSc), Aleppo University, Syria.
1997-2002: Bachelor in Dental Science (BDS), Aleppo University- Syria.
1996: High school, Abdulnasser Secondary School, Sana’a Yemen.