Dr. Mahmoud Lotfy began his career in a center of excellence in Egypt. It is the gastroenterology center, Mansoura University, Mansoura, Egypt. Here, Dr. Lotfy has learned the research methodologies and curricula in the Biotechnology Research Laboratories under supervision of Prof. Dr. Abdel-Fattah Attallah. Currently, Dr. Lotfy is an associate professor of molecular cell biology and immunology, molecular and cellular biology department, genetic engineering and biotechnology research institute (GEBRI) at Minufiya University, Sadat City, Minufiya, Egypt and department of applied medical sciences at Jouf University, Saudi Arabia. The research interests of Dr. Lotfy are concerned mainly with the molecular, cellular and immunologic backgrounds of the GIT diseases such as cancers, viral hepatitis and schistosomiasis. He completed and published many relevant studies. Dr. Lotfy is a reviewer in many international journals with high impact factor and his biography is included in who is who in medicine and healthcare.