保险精算师

例句：

1. 1. He is a highly skilled insurance actuary who has been working in the industry for over 20 years.
   他是一位技艺高超的保险精算师，已经在这个行业工作了超过20年。
2. 2. The company's financial stability is closely tied to the performance of its insurance actuaries.
   公司的财务稳定性与其保险精算师的表现密切相关。
3. 3. The insurance actuary was responsible for calculating premiums and determining the risk level for each policy.
   保险精算师负责计算保费和为每个保单确定风险水平。