Puput Deni Iswara

Chief Marketing Officer (CMO), PT Green Energi Utamasia
Indonesia

Puput Deni Iswara, affectionately known as Denis, is the Co-Founder and Chief Marketing Officer of PT Green Energi Utama, an Indonesian company specializing in the collection and export of Used Cooking Oil (UCO) as a feedstock for renewable energy, including sustainable aviation fuel (SAF) and biodiesel.

Her journey with the company began when her husband initiated the business on a small scale. Recognizing its potential, Denis joined from the early days and has played a vital role in its growth. With an academic background in Nutrition and no formal experience in the energy or waste management sectors, she has demonstrated remarkable dedication to learning and adapting—proving that passion and purpose can drive impactful change across industries.

In her current role, Denis leads key strategic areas of the business: forging partnerships with local UCO suppliers, managing relationships with international buyers, and ensuring smooth daily operations in compliance with both domestic and international regulations. Her inclusive, detail-oriented, and people-centered leadership has significantly contributed to amplifying the company's environmental and social impact.