$5.6 billion Discover Financial Services has named Mark Zaeske senior vice president of finance, and chief accounting officer. Zaeske will oversee Discover’s accounting, external reporting, management reporting, corporate tax, and corporate procurement and payment services. He will report directly to Chief Financial Officer Roy Guthrie.

Prior to joining Discover, Zaeske was with JPMorgan Chase, where he served in a variety of positions since 2003, including as CFO of the company’s Worldwide Securities Services Division, CFO of the Treasury Services Division, and CFO of the Commercial Banking Division. Most recently, Zaeske was the Western Hemisphere regional executive, Treasury, Liquidity, and Investment Products at JPMorgan.