Michael Alexander Williamson (born 26 June 1953) is an Australian unionist

Trade union

A trade union, trades union or labor union is an organization of workers that have banded together to achieve common goals such as better working conditions. The trade union, through its leadership, bargains with the employer on behalf of union members and negotiates labour contracts with...

. He was elected as 2009-2010 National President for the Australian Labor Party

Australian Labor Party

The Australian Labor Party is an Australian political party. It has been the governing party of the Commonwealth of Australia since the 2007 federal election. Julia Gillard is the party's federal parliamentary leader and Prime Minister of Australia...

.

Williamson has been a member of the Health Services Union

Health Services Union

The Health Services Union is a specialist health union with over 70,000 members working in all areas of healthcare across Australia.The membership of the union includes doctors, nurses and allied health professionals such as physiotherapists and radiographers, ambulance officers, clerical and...

 for over 30 years, and General Secretary for the past 10. He is also the National President.

Williamson is a Vice President and Finance Committee Member of Unions NSW, and member of the ACTU

Australian Council of Trade Unions

The Australian Council of Trade Unions is the largest peak body representing workers in Australia. It is a national trade union centre of 46 affiliated unions.-History:The ACTU was formed in 1927 as the "Australian Council of Trade Unions"...

executive.

Williamson is Senior Vice President the New South Wales branch of the Australian Labor Party, and a member of their industrial committee. He is also a member of their Advisory Council.

Williamson is also a Trustee of First State Super and a Director of SGE Credit Union.