Murugesh was born in Chennai. His father, M. K. Murugesh, is a Ranji Trophy cricketer, who represented Madras and was a key member of the team that won the Ranji trophy for the first time ever, in 1955, for Madras as part of Balu Alaganan"s team
Andhra University.
He is also the Chairman of the NASSCOM BPM Council. Keshav’s mother, Arati Murugesh was the first manager of the first Indian Women's cricket team He holds a Bachelor of Commerce degree and is a Fellow of The Institute of Chartered Accountants of India.
Murugesh started his career in 1989 with the Internal Audit department at International Trade Commission Limited, a diversified conglomerate.
He worked in various departments and businesses in International Trade Commission. He became its Vice President, Finance. Murugesh joined Syntel Incorporated. as Chief Financial Officer in 2002, became its President and chief operating officer in 2004 and Chief Executive Officer in early 2009.
In February 2010, Murugesh joined WNS Global Services as its Chief Executive Officer.
Murugesh received the California Business Leader of 2013 Award in the corporate sector by the Institute of Chartered Accountants of India (ICAI) and is a recipient of the Asia Pacific Entrepreneurship Award 2015 He is also a recipient of the Social Entrepreneurship award at Asia"s Best CSR Practices 2011 for outstanding contributions as an entrepreneur to society.
