Dr. Isdiriayani will retire in June 2020. Therefore, a farewell gathering was held at Siera Cafe & Lounge on August 15, 2020, attended by fellow lecturers who collaborated in research, students and alumni of the Process Safety and Energetic Electrochemistry Laboratory. We would like to express our sincere gratitude to Dr. Isdiriayani for her dedication and contribution. Many of her lessons and teachings have helped determine the development of the KPEE Lab.