Jayesh Ranjan is a member of the Indian Administrative Service (IAS) of the 1992 batch working in the state of Telangana. He holds a Masters Degree in Psychology from Delhi University, a degree in Business Management from the Indian Institute of Management, Calcutta, and a Masters in Public Management from Lee Kuan Yew School of Public Policy, National University of Singapore. He has also done short courses in the University of Birmingham (on Environmental Policy Analysis), JICA training Institute, Tokyo (on lake remediation), London School of Economics (on Globalization and Leadership), Kennedy School of Government, Harvard University (in Public Policy), and Swedish Institute, Stockholm (on Sustainability and CSR). He is the All-India topper of his IAS batch of 1992. He was awarded World Banks Social Capital Visiting Scholarship in 2002 and the British Governments Gurukul Chevening Scholarship in 2005. He has done international consultancy assignments for the World Bank, UN-ESCAP, Sedatu project of Mexico, and for international NGOs working for Youth Issues like YES, Inc of the USA and NMC from Italy. He is a part of the National Pool of Trainers in Leadership constituted by the Government of India, and is involved in training and mentoring newly recruited Civil Servants.Jayesh Ranjan is a Director in the Board of Directors of GMR Hyderabad International Airport Limited (GHIAL), a subsidiary of the GMR Group. He has been serving as a Director in the Board of GHIAL since 2016.

Jayesh Ranjan is the Principal Secretary of the Industries & Commerce (I&C) and Information Technology (IT) Departments of the Government of Telangana. His assignment involves identifying opportunities of utilizing IT in various government processes, attracting new investments, and promoting digital empowerment of the citizens. His last few assignments have been in the Industrial Promotion sector as Commissioner and MD of the Industries Department, Secretary in the Tourism Promotion Department, and Vice-Chairman of the Hyderabad Urban Development Authority (HUDA), and various rural assignments in different parts of the state for over 12 years, working in diverse sectors like Tribal Development, Natural Resources Management, Poverty Alleviation and other related Social Development Sectors.

Jayesh Ranjan supports many social, cultural and charitable causes, and is on the Boards/Advisory committees of United Way (Hyderabad), Save A Childs Heart (SACH) Foundation, Young Lives India, Save the Children, Sparsh Hospice, APMAS, ML Jaisimha Sports Foundation, Hyderabad 10 K Foundation, Vijaya Foundation Trust, Ushalakshmi Breast Cancer Foundation, LSN Foundation, Tejas Foundation, Magic Bus Hyderabad, Hockey Hyderabad, World Wildlife Fund (Hyderabad chapter), Hyderabad Literary Festival and Spic-Macay.