Fauzan A.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

My main skills in using the System Dynamics Approach to elaborate the problem and test the alternative solution. the nature of this approach is thinking in the system, with a potential trade-off in the issues (cross-sectoral or cross-region), what-if analysis purpose, and in addition sensitivity test and optimization as means to find the optimum policy and actions. This approach is widely used in interdisciplinary issues, for example in sustainable development issues (economy-social-environment interaction), industrial or economy approach (production line and management decision interaction), health and society (pandemic issues, healthcare issue, and policy), and many more. The principle is "if you can think about it (the issues, the problem), you can model it".