Ziyan (Olsen) Ou

Olsen is a finance and data analytics consultant with deep expertise in automation, financial modeling, and operational accounting. With a foundation in both accountancy and advanced analytics, Olsen has designed and implemented more than 100 Alteryx workflows, Tableau dashboards, and Excel models to streamline reconciliation, accelerate reporting, and enhance decision-making. He has supported clients in healthcare, manufacturing, and treasury environments by automating ETL processes using SQL, Alteryx, and Snowflake, and improving accuracy and speed in functions like accounts payable, month-end close, and fixed asset analysis. Olsen’s work also includes forecasting liquidity, analyzing earnings quality, conducting FASB policy reviews, and developing valuation models. Skilled in systems such as NetSuite, Sage Intacct, and Ross, Olsen combines his technical acumen with financial insight to help organizations unlock the full value of their data.