Sumitro Haholongan Butar Butar
Sumitro Haholongan Butar Butar is an innovator dedicated to addressing the loss of knowledge about traditional organic farming practices around Lake Toba, once vital for soil fertility and ecosystem health. He is developing a solution that creates natural agricultural products inspired by ancestral wisdom, using locally sourced, eco-friendly ingredients that protect water and soil. By focusing on this work, he aims to help farmers improve yields sustainably and preserve cultural heritage. This work is deeply personal to him because he believes protecting indigenous farming knowledge is essential for both the environment and community identity. With determination and vision, Sumitro is paving the way for sustainable solutions that make a real difference.