Fiserv Inc. named Eric Nelson as its general counsel. Nelson was previously Fiserv's senior vice president and co-general counsel alongside Jennifer Manchester. Manchester was recently named chief human resources officer at Fiserv.

As general counsel, Nelson will oversee the company's legal functions. Nelson has been with Fiserv since 2006. Prior to that, he was with the law firm Gibson Dunn & Crutcher LLP.

In other executive leadership changes, Fiserv named Katia Karpova as its head of the Europe, Middle East and Africa (EMEA) region. She was formerly the company's chief financial officer for EMEA. It tapped John Gibbons, formerly head of the EMEA region, as co-head of banking.