Dr. Gauri Shankar, a Senior Reader in Shri Ram College of Commerce, Delhi, has experience of more than three decades in teaching Cost Accounting and Management Accounting to the students of graduate, post-graduate and professional courses. Dr. Gauri Shankar has a brilliant academic record. After securing first position in the Master`s degree in Commerce from the University of Delhi in 1971, he started his career as a lecturer with shri Ram college of commerce, Delhi, his alma mater, that year. He earned his doctoral degree in Human Resource Development from Delhi School of Economics, University of Delhi. He was appointed as an expert to serve Sherubtse College, Bhutan under the technical co-operation scheme of Colombo Plan for a period of two years from September, 1988 to August, 1990. He is associated as a visiting faculty member with several business schools and professional institutions. He has to his credit over three dozen articles and research publications which have appeared in leading periodicals. In addition to several text-books, he has authored a research level book entitled `Managerial Motivation and Job-Performarce`. In recognition of his significant contribution to professional management, he has been admitted as Life Member of All India Management Association and as a Life Professional Member of Delhi Management Association. He is also a Life Member of Psycho-Educational Society, New Delhi. Besides teaching work, he is, presently pursuing research on Marginal Costing, an important Cost Accounting tool in short-term decision-making and is the editor of `Business Analyst`, a leading research journal.