About us

Theta International has extensive experience working with oil and gas, power generation and transportation industries in both private enterprise and government owned corporations. 

Theta International is a Brisbane based company, established in 1994 by Managing Director Michael Walsh. Michael is a qualified civil and mechanical engineer with more than 40 years’ experience in Australia and internationally, across consulting, construction and manufacturing sectors at operational and executive levels.


Michael has held a number of senior executive roles with engineering services companies. He has served on a number of industry associations, government committees and Boards and has an extensive business network in Australia and overseas.


Michael has extensive knowledge and experience in international business and marketing, with an established and solid professional network throughout Asia, Europe, and the United States.  

Theta International 

ABN: 53 344 125 906


Level 1, 16 Marie Street

Milton Qld 4064 Australia


PO Box 995

Indooroopilly Qld 4068 Australia

T: +617 3878 5086

F: +617 3056 3000


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