An actuary is a business professional who deals with the financial impact of risk and uncertainty. Actuaries are experts in financial security systems; their reasons for being, their complexity, and their mathematics. They evaluate the likelihood of events and quantify the outcomes in order to minimize losses associated with uncertain undesirable events. Actuaries are employed by insurance companies, pension plans, businesses, consulting firms and government agencies such as the Social Security Administration, all which face risk and uncertainty. To become an actuary, one must pass a series of examinations administered by the Society of Actuaries. The initial exams are primarily mathematics, including probability and statistics, and can be taken while still an undergraduate student.