Dr. Ronwarit Pariyachattrakul from Roi Et Province is currently the director of the E-san Organic Community Enterprise Network and the manager of Roi Et Organic Agriculture Cooperative Limited which covers many provinces in the E-san region. He received a Smart Farmer Award in the field of agricultural product innovation from the Department of Agricultural Extension along with Ruam Duay Chuay Kan, Sam Nuek Rak Ban Kerd Foundation and Total Access Communication Company Limited or DTAC. These awards are made annually.

Dr.Ronwarit Pariyachattrakul was awarded a  King Scholarship from His Majesty King Bhumibol Adulyadej. This allowed him to complete his studies and become a valuable person in society.
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When talking about the northeastern organic rice industry, everybody has heard of Dr. Ronwarit Pariyachattrakul, Director of the E-san Organic Community Enterprise Network Office and the manager of Roi Et Organic Agriculture Cooperative Limited which covers many provinces in the E-san region.
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After graduating, Dr.Ronwarit first worked as a teacher and began to transfer his knowledge on organic agriculture to farmers and students.