Late Shri Rajeshwar Sharma, better known as Raj to his friends and family, was the founding Chairman of OST. Based on sound convictions about its impending success, he invested time and resources into the company contributing to the growth of OST to its present position. He has been an inspiring mentor ever since.

He provided stability, wisdom and continuous guidance to the OST leadership and management. A keen supporter of community initiatives, he had been active through out his life in social activities.