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In business


Senior level

Welcome to DiB

As the founder and CEO, I would like to welcome you most warmly to Defence in Business, Australia's largest community of active and former serving members dedicated to fostering networking, mentoring and career opportunities. 

No matter if you are an active or former serving member, an organisation looking to attract Defence training and leadership or just an individual interested in connecting with the Defence community, there are a number of ways DiB can add value to you. In essence, we offer you a unique support structure of thousands of individuals and organisations across Australia and provide a platform to create networking, education and career opportunities. This will enable you to boost your career or business or simply to stay connected with the Defence and business community. At the core, what distinguishes DiB is the shared values and high ethical standards which our members uphold. This really does create a unique bonding and collegiate atmosphere which you'll sense very quickly when you attend one of our events.

For now, I invite you to have a look around and explore the several ways you can connect with DiB and our members:

  • The DiB Online Community
  • Local Networking Events
  • Our Newsletter

It is our highest aim to enable you to leverage Defence expertise by providing a trusted, collegiate environment that fosters business for the benefit of everyone involved.  I encourage you to be an active part of this community.

Please do not hesitate to contact me to discuss any queries you may have.



Dr Thomas Triebsees
Founder and CEO
Defence in Business
serving more





Online community account

If you are an active or former Defence member or would like to connect with the Defence community online, gain instant and free access to our online community with an option to upgrade to full membership down the track.



If you are an active or former Defence member or have an interest in the Defence community, join as a Member to meet like-minded business people in a trusted, collegiate environment, open doors to your next client, business partner or employer or access tailored education and mentoring.


Corporate membership

If you employ ex Defence people, contract to Defence or would like to connect with the Defence community, select this account type and find people with distinctive attributes for your team or offer tailored products and services to the ex Defence community.


Our Locations

  • Sydney

  • Brisbane

  • Melbourne

  • Canberra


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