Herbert Smith Freehills' (HSF) South East Asia managing partner Michael Walter is to step down from the regional leadership role next month, to be replaced by Singapore-based disputes partner Alastair Henderson.

Walter, a former Herbert Smith corporate lawyer who has been in the job for more than two years, is set to formally retire from the firm at the end of July next year but will hand over responsibility for South East Asia this October.

Previously the head of corporate at legacy Herbert Smith, he joined the firm in London in 1997 from Stephenson Harwood, where was also leader of the transactional practice.

Now based in Singapore, he has overseen the firm's offices in the city-state and Bangkok, as well as its associated office in Indonesia where it has a tie-up with Jakarta outfit Hiswara Bunjamin & Tandjung (HBT).

Henderson meanwhile is the former Bangkok office manager, and currently head of arbitration for the South East Asia region.

He works across a range of disputes including trade and investment cases, as well as those in energy and natural resources, infrastructure and construction.

HSF currently has three core management roles in the region, which include a head of Greater China, a head of South East Asia and an overall head of Asia.

Henderson's appointment marks the second time in less than two years that a corporate managing partner in Asia has exited the post and been replaced by a disputes lawyer, with Andrew Tortoishell retiring in March last year and being replaced by top-ranked arbitration partner Justin D'Agostino.

Hong Kong-based D'Agostino has since been promoted to head of disputes globally, and Julian Copeman – also a disputes lawyer – made head of Greater China.