(Adds Markel, Citigroup, JP Morgan)
Sept 4 (Reuters) - The following financial services industry appointments were announced on Tuesday. To inform us of other job changes, email firstname.lastname@example.org.
The insurer appointed Jennifer Chang as underwriter and senior risk analyst to its trade credit and political risk operation in New York.
The bank's Chief Financial Officer John Gerspach will retire from his role in March, to be replaced by the CFO of institutional clients Mark Mason, the bank told employees on Tuesday.
The bank also hired Gordon Ball to head its electronic execution and algorithmic trading business for Europe, Middle East and Africa as part of a trio of senior derivatives appointments, Reuters IFR reported.
The bank has hired Nick Skaff and Ismail Iraqi for its equity capital markets emerging markets desk in London, Reuters IFR reported.
Tim Donahue, head of high-yield and leveraged loan capital markets at JP Morgan, has left the bank to join Alterra Mountain Company as its chief financial officer and executive vice president, Reuters IFR reported.
The U.S. buyout firm said it had hired Kazuyuki Kido as a managing director in Tokyo as it seeks further investment opportunities in Japan following a series of large investments last year.
The bank has appointed Walter Tas as head of Asia Pacific after former regional head Peter Heidinger was tapped as head of Europe.
Rina Ooi has retired from the bank after a 38-year career with Singapore's largest bank. Her last day was on Aug. 31. Ooi was head of Singapore dollar bond syndicate in her last position in DBS.
The bank has hired Nick Burge from Lloyds Banking Group to work with the bank's European clients on Brexit and other regulatory and liquidity issues. (Compiled by Aakash Jagadeesh Babu in Bengaluru)