Mubarak Mashrah, a Yemeni national, holds a PhD in Oral and Maxillofacial Surgery and is the Director of the Implant Department at Goodfeel Dental Clinic. He graduated from Sun Yat-sen Memorial Hospital of Sun Yat-sen University and worked for 5 years in the Department of Implantology at the Stomatological Hospital of Guangzhou Medical University (a top-tier hospital). He has published over 42 SCI papers in international journals, participated in numerous international oral and maxillofacial surgery conferences, and received the Best Publication Award from Guangzhou Medical University (Implant Dentistry) in 2021 and 2022. He is a member of the International Society for Implant Dentistry (ITI), an academic editor of PLOS ONE, a reviewer for internationally renowned medical journals (HEAD&NECK, ORAL DISEASES, Heliyon Journal, INTERNATIONAL JOURNAL OF SURGERY, etc.), mentors numerous graduate students at the Affiliated Stomatological Hospital of Guangzhou Medical University, a member of the Goodfeel Dental Clinic's Foreign Expert Team, a member of the Goodfeel Dental Clinic's Master's and Doctoral Expert Team, and a member of the Goodfeel Dental Implant Technology Committee. Specializing in various implant surgery techniques (including complex soft and hard tissue augmentation techniques, maxillary sinus lift, bone splitting, onlay bone grafting, sausage bone grafting, transzygomatic and transpterygoid implantation, and All-on-four implantation). Also specializing in alveolar surgery techniques, including the extraction of various complex impacted and unexploded teeth.