Debashis Sarkar is an Indian author, columnist and management consultant. He is the author of 11 books, including ''Building a Lean Service Enterprise – Reflections of a Lean Management Practitioner'' (2016), ''How Can I Help You – 5 Mistakes to Avoid in Customer Service'' (2013), ''Lessons in Lean Management'' (2012), ''Lean for Service Organizations and Offices–Holistic Approach for Achieving Operational Excellence (2008)'', ''5S for Service Organizations and Offices–A Lean Look at Improvement'' (2006) and ''Lessons in Six Sigma'' (2004). He is noted for his work in Lean management and Operational excellence. Sarkar is an American Society for Quality (ASQ) Fellow. In recognition of his book, ''Lessons in Lean Management'' (2012), he was awarded the ASQCrosby Medal in 2014. For his contribution to the field of quality, he also received the first D.L. Shah Quality Champion Platinum Award from Quality Council of India for the year 2017–2018. He has been credited for conceptualizing the DEB-LOREX Model.
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