C3I Pty Ltd
ABN 15 008 662 351
Postal Address
PO Box 34
Bribie Island, Qld  4507

Phone: 0417 200 668

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Vale Mike Kreibig.   Founder and Managing Director.  1947- 2021


In 1994 Mike founded C3i after 14 years working in the information indusrty.  He specialised in developing the Federal Government market for large IT companies, and focused on the Defence arena in both sales and managemet roles. In 1997, as part of C3i,  Mike started the DefenceWatch series of industry briefings, which are coninuing today.


Mike passed away on June 29th 2021.


Ann Tyllyer - Director

Ann has over 35 years experience in the computer industry. Her career has included extensive periods in both pre and post sales product support, training and technical writing. Since joining C3I in 1994, as well as DefenceWatch, she has worked on a variety of projects including helpdesk business management, product support, training, technical writing, policy support and business analysis, and most recently, web development.