In this role, he will be responsible for the company’s corporate finance, accounting, financial planning and analysis, and corporate development divisions.
Most recently, Clark served as Sallie Mae’s executive vice president and treasurer.
Clark joined Sallie Mae in 2008 as senior vice president of Corporate Finance from Credit Suisse.
Previously, he held positions at Prudential Securities, First Boston, Dean Witter and Hewlett-Packard.
Sallie Mae is financial services company that specializes in education. The company manages or services more than $236bn in education loans and serves 11 million student and parent customers.
Its affiliate Upromise Investments manages $27bn in 529 college savings plans.