Md Mashiur Rahman, an author and banker, is currently working in Bank Asia Ltd., Credit Risk Management Division of Corporate Office, Dhaka, Bangladesh. He has 15 years of glorious banking experience and worked in different divisions of the bank with profound satisfaction. He has written a number of books, articles in international journals, chapters of book and columns in daily newspapers. He is also working as Book Editor of IGI Global: International Academic Publisher, USA and Taylor & Francis Group, USA. Mr. Rahman was born in Hosnabad under Barishal District, Bangladesh. He introduced two models namely “Wealth and Welfare Business Model: sustainable business model” and “Mahdia Banking Model: sustainable banking model” which address the problem of existing capitalistic business and banking models and provides solutions with some correction of existing models. The models were presented in different national and international conferences and also are under consideration for publication by the USA publishers. He has completed Secondary Study from Hosnabad High School, Higher Secondary from Dhaka Imperial College and Bachelor & Master’s in Marketing from Dhaka University, Bangladesh. He is keen to study and likes to work for humanity. He believes that working to solve human problems can make us rich and happy. He lost his father when he was in class eight and lost his mother after completion of post-graduation. He has a daughter and a son. His spouse is an entrepreneur.