The professional association for Australia's technology sector announced Chris Vein has been appointed the organisation's Chief Executive Officer.

"I am very pleased to announce the ACS Management Committee has appointed Chris Vein as ACS CEO following an extensive search," ACS president, Dr Nick Tate, FACS CP, says.

Mr Vein is scheduled to commence from May 9 and will take over from interim CEO Rupert Grayston.

Along with having been Partner, Global Government Digital Transformation at PWC Australia, his previous roles have included Chief Innovation Officer for Global ICT Development at the World Bank; Deputy United States Chief Technology Officer for Government Innovation at the White House; City CIO and Executive Director, Department of Technology for the City and County of San Francisco; and the Assistant Executive Director for Marketing, American Psychological Association, Practice Directorate.

Vein has been a member of ACS for over four years and is currently based in California but will be relocating to Australia in coming months.

"I would like to express my deep gratitude to Rupert Grayston, on behalf of everyone on the ACS Management Committee, for the professional and exemplary way in which he has guided ACS during this transition period," Dr Tate says.