Our Identity

         Executive leadership  (Board of Directors)




Mr. Rajesh Sharma
Mr. Rajesh Sharma is the Vice-Chairman & Managing Director of Ion Exchange (India) Limited, the leading water treatment company having experience of more than 4 decades in providing Total Water Management solutions to all sectors – homes, industries & communities, urban & rural.  Mr. Sharma joined the Company in 1974 and has held a number of sales, marketing and management positions.  Before taking up the office of Managing Director from 1st April 2000, he was the Deputy Managing Director.

He established the company’s international business division, including its 100% EOU and has developed business relationships with leading engineering contracting companies and business & technology partnerships with leading companies in Europe, Japan, South East Asia and the Far East.

Mr. Sharma has participated in several international exhibitions/conferences and presented papers on water and environment management.

Mr. Sharma has extensive knowledge about the company’s technologies and products, and possesses outstanding marketing expertise and leadership ability.

Mr. Sharma is a member of various National Committees of leading Engineering Associations.  He has chaired technical seminar sessions organised by various Associations and also presented papers in India and abroad on water and wastewater treatment and water conservation topics.





dg rao
Mr. D.G. Rao

Mr. Mr. D.G. Rao, Chaiman, Ion Exchange Services Limited had done B Sc., AMIE. He is trained in the plastic industry (1948-49) followed by power stations (1952-53) and then in Transformer Design with Crompton Parkinson (Works) Ltd., (1955). Thereafter he joined J. Stone (I) Ltd.'s Permutit Agency Department in 1955 as a commissioning engineer and helped in sales and setting up local manufacture of water treatment plant. In 1965 he joined Ion Exchange (India) Ltd. (IEI) as Manager - Sales and was later appointed as General Manager - Sales & Contracts in 1967; he opted for retirement from IEI in 1974. From 1974-77 he was a partner of Materials & Services, Bangalore and helped to set up and expand their business as agents for IEI. He worked as a Consultant in industrial water treatment from 1977-79 and directed plant and process development programmes. Rejoining IEI in October 1979 as General Manager - Corporate Development, he helped in setting up the Water Treatment Chemicals Division, by introducing electrochlorinators and water quality products to the Indian market and expanding IEI's polymer and carbon sales. After retiring from IEI as Vice President - Corporate Development he joined the company’s Board of Directors in 1997.



m p patni
Mr. M.P.Patni




Mr.M.P.Patni, Director on the Board of Ion Exchange (I) Limited and Ion Exchange Services Limited, is an engineering graduate from BIT, Mesra. After working for 4 years with Hindustan Motors he got associated with Marketing and Selling of Projects, Water treating equipment & Resin of Ion Exchange (India) Ltd. and has helped to win prestigious large contracts ever since. He joined the board of Ion Exchange (India) in 2001.




dinesh sadashivan
Mr. Dinesh Sadasivan




Mr. Dinesh Sadasivan, Executive Director & CEO, Ion Exchange Services is an engineering graduate with Masters in Marketing Management. He joined Ion Exchange (India) Limited in 1993 and now heads Ion Exchange Services Limited. His Key responsibilities include Service Operations, Human Resource Management, National and International Services Business Development and Organizational Development at large.

Based in Bangalore, he travels extensively all across the IES Locations.





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