By Sabela Ojea

London Stock Exchange Group PLC said Thursday that it has appointed Anna Manz to succeed David Warren as the new chief financial officer and a member of the board, with effect from Nov. 21.

The U.K. exchange operator said that Ms. Manz, who is currently CFO and executive director of Johnson Matthey PLC, has significant experience in senior finance roles.

Mr. Warren will remain at the group until his retirement date of June 24 to ensure a smooth transition.

Write to Sabela Ojea at sabela.ojea@wsj.com; @sabelaojeaguix