make data-driven decisions. My expertise in designing experiments, streamlining business metrics, and conducting causal inference analyses, significantly streamlined our decision-making process. Product and Marketing Design the experiments and key metrics for hypothesis verification. A/B Test Dashboard, automatically. Unconventional experimental analysis (such as natural experiments, fuzzy RDD, etc.). Optimize the effect of ads and payment pages from 0.8% to 3%. SEO and ASO, increased the number of downloads by about 100% YoY for 3 years. Designed and implemented business metrics. Build revenue modules, such as LTV