An excel topic that requires knowledge of finance, risk management and statistics such as beta, volatility, Sharpe ratio, geometric Brownian motion. -- 2

I am looking for a freelancer who has advanced knowledge of risk management and is familiar with the concept of geometric Brownian motion. The specific finance topic I need assistance with is the Sharpe ratio.

Skills and experience required:
- Advanced understanding of risk management
- Familiarity with geometric Brownian motion
- Knowledge of finance topics such as the Sharpe ratio