Dr. Peng Ruan is an Associate Chief Physician specializing in Gastroenterology at Renmin Hospital of Wuhan University, China. With a Ph.D. in Internal Medicine from Wuhan University, he brings extensive expertise in hepatology. Dr. Ruan's diverse professional journey includes roles as a Resident Physician in General Internal Medicine and ICU, as well as leadership positions in Gastroenterology. He has also served as a Visiting Scholar at INSERM U1052, Université Claude Bernard, Lyon, France. Dr. Ruan's research focus encompasses the study of chimeric protein transcription of HBV integration sites and the detection of intrahepatic HBV cccDNA in chronic hepatitis B patients. His contributions have been supported by grants from the National Natural Science Fund of Hubei Province and the Shiyan Science Technology and Innovation Committee.

Maria Dalamagka currently works at the Department of Anesthesia, General University Hospital of Larissa. Maria does research in acupuncture and Anaesthetics. She is PhD medicine , doctor of pain , MD. Editorial board member :Scifed Journal, Pain Medicine and Management, Enliven, Cient Periodique, Journal of Pain Management and Medicine _Longdom, Anesthesia &Pain Research _Scivision, GJNFS, Journal if Pain and Relief. Speaker and organizing committee to conferences as:Pain Research and Management Zurich 2018, 5th international conference Pain Research &Management London 2017, and Vancouver , Canada 2016, Word congress on Pain Medicine and Management Singapore 2019, International Conference on Alzheimers &Neurodegenerative desease Madrid , Spain 2018, scientific federation speaker

Adriano Fagali de Souza obtained his Dr in Mechanical Engineering from the University of São Paulo-USP, Brazil in 2004, manufacturing process. He is an associate professor at the Federal University of Santa Catarina – UFSC, BRAZIL. He acts and coordinates several research projects, in topics related to the manufacture employing the chain CAD / CAM / CNC - CAx - manufacturing of complex shapes. He is the leader of the Computer Aided Manufacturing Research Group - GPCAM. Author of the book 4 books on this field. He is an associate Editor of the Journal of the Brazilian Society of Mechanical Sciences and Engineering - Springer. He has several scientific publications and patents. He is a member of the Advisory Committee of the Technology Areas of the ENADE (National Student Performance Exam). Evaluator of Higher Course of INEP - Engineering Department. Member of the technical committee of Engineering of Manufacturing of the Brazilian Association of Mechanical Sciences - ABCM.

Dr. Sabiha Anas Boussaa is a prominent researcher at the Centre de Recherche en Technologie des Semi-conducteurs pour l’Energétique (CRTSE) in Algeria, where she has been working since 2012. She earned her Ph.D. in Materials Science from the Université des Sciences et de la Technologie Houari Boumediene in 2018. Her research focuses on silica materials for photovoltaic silicon production, recycling silicon from solar panels, and developing thin films for CO2 conversion. As the head of a research team, she has contributed to several international projects, including SIREVIVAL and collaborations with Belgium on supercapacitors from recycled silicon. Dr. Boussaa has authored over 20 peer-reviewed publications and regularly participates in international conferences. She also serves on organizing committees for various scientific conferences and is a member of the editorial board of the International Journal of Computational and Experimental Science and Engineering (IJCESEN).

Roger Howard Coletti, MD, FACC, FASNC, FSCAI was born in 1945 in New York City, New York. He attended Georgetown University College of Arts and Sciences Majoring in Government with minors in Philosophy and Psychology. He did his premedical studies at Hofstra University where he received a Master of Arts in Natural Sciences. He did one year of bench research on drug metabolism when enrolled in a PhD program in a Pharmacology at New York University Medical School. He then transferred to State University of New York at Downstate where he completed the four-year curriculum for his MD. Dr. Coletti's medical internship and residency was performed at Nassau County Medical Center in East Meadow, NY. He did two years of cardiology fellowship at Columbia Presbyterian Medical Center and then transferred to Westchester County Medical Center where he completed one year of Interventional Cardiology fellowship. During his fellowship Dr. Roger Coletti was involved in research in CPR, coronary blood flow and the use of Intra-Aortic Balloon Pump (IABP) support of failing hearts. Along with Dr. David Bregman, they discovered a new form of CPR named Abdominal Counterpulsation CPR. He practiced as an interventional cardiologist at several New Jersey hospitals until moving to Delaware where he continued to practice interventional cardiology for three years before retiring from active medical practice. He did clinical research and publication in the field of alternative treatment of chronic pain secondary to chronic muscle spasm and published a book in 2022 on his research entitled "Chronic Muscle Spasm and Pain – Discoveries in the Etiology, Identification and Treatment of Chronic Muscle Spasm and Resultant Chronic Pain” Also published in 2022 were two papers entitled “The Ischemic Model of Chronic Muscle Spasm” and “Chronic Muscle Spasm Induced Chronic Pain Treated with the CMECD Procedure”. He has been asked and plans to give presentations at several international meetings on this subject in 2023.