"To whom it may concern. This is to certify that I know personally Him since he joined Indonesian Network of Occupational Safety and Health Professional (Inoshpro) about a year ago. Since he joined Inoshpro last year we work as a team in addressing Occupational Safety and Health for the safer and more productive workplaces in Indonesia. As a colleague I admire his hardworking and ability to work as a good team member. By this statement I would like to lend my support to his future endeavoring for the betterment of safer and more productive workplaces in Indonesia and elsewhere. With warm personal regards"

"My friend… you have very good knowledge. In other words… my friend here is a smart person. Keep going with the intention of helping the ummah… I will continue to support you."

"I would like to convey that I have personally known since joined the Indonesian Occupational Safety and Health Professionals Network (Inoshpro) about one and a half year ago. Since then, we have worked together as a team to promote Occupational Safety and Health (HSE) for safer and more productive working conditions and behaviours in Indonesia. In addition to our collaboration at Inoshpro, I also had the opportunity to work as a jury member for the OSH Asia’s Summit Excellent Awards 2025. Through this experiences, I have witnessed his dedication, professionalism, and ability to contribute as an outstanding team member and I would like to express my full support for his future efforts in advancing a safer and more productive HSE workplace and culture in Indonesia and beyond."

"I am writing this letter to recommend him for his position as a Safety Professional. I have worked across various continents in the Data Center Business on the client side, and here he has made a significant contribution to our current project, which has achieved 5 million working hours without accidents. When we started working in the Indonesian market, we were fortunate to have a professional with adequate experience and a clear understanding of our needs (thanks to his extensive experience and expertise). This company has worked with us over the past two years, and I have observed his work pattern closely. As a manager, he is well-liked by his colleagues and has managed several projects while delivering high-quality safety training to the client’s Construction team as well as various General Contractor and Subcontractor teams. Here, he not only works for the success of the project and the organization but also gives great attention to mentoring the employees working under him. I have no hesitation in recommending him to provide EHS services to any organization and would be happy to provide further clarification if required."

"I previously worked with him on the Fast Track Data Center Construction. He is very agile and has a positive attitude, managing day-to-day activities with good planning. I recommend him for future career opportunities... Wishing him success!"

"An excellent colleague. His capacity and capabilities are known to be far above the average safety professional in Indonesia. Over the past three years, we have worked together managing DC projects, and I have seen that he has proven to be adaptive, competitive, and always capable of controlling high-risk activities in construction. I wish him all the best and hope to collaborate again in the future."

"With his experience, capacity, and competence, I am confident that he is a highly capable professional in the field of Occupational Safety and Health (OSH)."

"My view is based on actual experiences I know during our collaboration on the CGK063 data center project. My assessment here is:

- Performance: Performance is good and in accordance with his duties and responsibilities.
- Knowledge: His knowledge in the field of Safety is unquestionable; I have learned many things from him. I am proud and honored to have worked together.
- Safety Experience: He has extensive experience in several companies, making him highly knowledgeable in safety systems. He is also generous in sharing knowledge and information related to safety with his former subordinates and colleagues. His teamwork is excellent!"

"I have known him for more than 18 years, since working together at PT KPI Bontang. A highly reliable HSE professional. His commitment to responsibility and trustworthiness in carrying out his duties has made him a figure always respected by colleagues and business partners. His perseverance and dedication to occupational safety and health are evident from his significant contributions to creating a safe and conducive work environment. I feel fortunate to have known him for many years and to have witnessed firsthand his remarkable journey."

"I have known and worked with him for a long time. His knowledge in the field of safety is excellent, and he has strong expertise in safety and environment, along with extensive experience."

"A professional in his field who is capable of managing, leading, and fulfilling safety requirements in Data Center projects exceptionally well."

"As the safety director on the mega data center project JKT02, what left a strong impression on me—aside from his excellent leadership—was his solid experience in safety and environment, which greatly facilitated us in resolving all issues on the project."