Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

401(k) is a type of defined contribution plan with varying contribution limits based on age. Employers may match 401(k) contributions; withdrawals before age 59 1/2 can incur penalties. Other defined ...