Wan Habibi Rahman Barus is currently serving as a Management Trainee in Supply Chain at PT. Richeese Kuliner Indonesia since August 2023. Prior to this role, Wan was an Assistant Supervisor at Permata Hijau Group from October 2019 to September 2020, where responsibilities included managing the production process of palm oil, scheduling operators, planning overtime for production employees, ensuring the quality of produced palm oil, and enhancing output yields by 19-20%. Wan holds a Master's degree in Industrial Engineering from Telkom University, obtained in January 2023, and a Bachelor's degree in Industrial Engineering from Universitas Sumatera Utara, completed in July 2019.