NASHVILLE, Tenn. ─ Mark Kaczynski is leaving his post as president of Nissan Motor Acceptance Corp. to become vice president of administration and finance for Nissan Motor Co.’s luxury brand Infiniti, the automaker announced on Thursday.

Replacing Kaczynski as president of Nissan’s captive finance company is Kevin Cullum, who was promoted from his general manager post at Nissan Canada Finance. Both leadership changes are set to take effect on Aug. 1.

The automaker also announced that, effective July 1, Alain Ballu, current director of international projects and partnerships for RCI Bank, will replace Cullum as general manager of Nissan Canada Finance.

Kaczynski, who will be based in Hong Kong and report to Infiniti Motor Co. President Roland Krueger, was named president of NMAC in December 2011. He has also served as a board member for Nissan Global Reinsurance as well as Alliance Inspection Management since 2011. He originally joined Nissan in 2007 as director of marketing and sales.

Cullum will report to Rakesh Kochhar, senior vice president of finance and global sales finance business unit, and will be based in Franklin, Tenn.