MOVES-UBS AG, Aviva Investors, Marex Spectron

Oct 3 (Reuters) - The following financial services industry appointments and departures were announced on Wednesday. To inform us of other job changes, email to moves@thomsonreuters.com.

UBS AG

The bank promoted Min-Lan Tan, who was most recently head of Singapore equities and research, to global head of macro strategy research.

AVIVA INVESTORS

The asset management business of Aviva Plc named Patrick Brien as chief executive of its Asia Pacific region.

MAREX SPECTRON GROUP

Brokerage Marex Spectron has appointed former UBS investment banker John Wall as its new chief executive, the company said on Wednesday.

BANK OF NOVA SCOTIA

Bank of Nova Scotia named Troy Wright as president and chief executive of its Mexican unit, Grupo Financiero Scotiabank Mexico, on Tuesday.

BDO LLP

The accountancy and business advisory firm named Gareth Davies as a director within the mergers and acquisitions team based in London and the Thames Valley.

NATIONAL INVESTOR RELATIONS INSTITUTE (NIRI)

The professional investor relations association named Hulus Alpay as chairman of its board of directors. He is currently head of investor relations for Medidata Solutions Inc .

PIONEER INVESTMENTS

The investment management group appointed Jonathan May as head of institutional business development, UK.

(Compiled by Neha Dimri in Bangalore)

((Neha.Dimri@thomsonreuters.com)(within U.S. +1 646 223 8780)(outside U.S. +91 80 4135 5800)(Reuters Messaging: neha.dimri.thomsonreuters.com@reuters.net))

Keywords: FINANCIAL MOVES/