Hariyanto .

Hariyanto is currently an Engineering Staff member at Accor's Ibis Surabaya City Center, where they are engaged in HVAC system optimization as part of their ongoing studies in hotel engineering management. Prior to this role, they served as an Engineering Staff at Waringin Hospitality Hotel Group and gained substantial experience in electrical, plumbing, and HVAC maintenance in various hotel environments. Hariyanto holds a degree in Electrical and Power Transmission Installers from SMK KAL-1 Surabaya and is pursuing further education in Electrical Engineering at Universitas Hang Tuah Surabaya. They have consistently demonstrated effective problem-solving skills and have contributed to energy-saving initiatives throughout their career.