Alaa Abdelkarim is the founder and Chief medical officer of ACE Cells Lab Limited, UK. He is a consultant endocrinology and stem cells therapy. He has more than 28 years of experience and served in more than 8 countries. He got the fellowship of Royal Society of medicine, Royal Collage of chemistry, Fellowship of the Malaysian Association of Endocrinology and the International association for stem cells research. He headed the department of endocrinology and Diabetes for more than 8 years treating complications of Diabetes by cellular applications. He worked in the cell therapy since 2002 and headed the research department of cell therapy in many international Labs. He is the international lecturer in more than 20 countries. He has registered 20 patents in the field of cell therapy and the protocols to extract the bioactive materials from live cells either autologous or from external sources (animal source). He was the founder of ACE Factor deficiency theory which is considered as the new trend in regenerating tissues.