Usually an actuary's job will involve quantifying how much a sum of money will be worth at different points in the future. Since this is not a deterministic process, stochastic models are used to determine a distribution and the parameters of the distribution.
Recently the scope of the actuarial field has widened to include investment advice, and even asset management.
Actuaries will typically be employed in insurance companies, consulting firms, or government departments. Many belong to one or more professional bodies, which include: