Call us today (AU) 07 3103 0809 (NZ +61-7-3103 0809)

We are an Australian based company with specific expertise in MySQL and MariaDB. Our services include consulting, scalable architecture, proactive remote DBA, system administration, vendor neutral managed services with optional emergency support, mentoring, training, and security and code reviews.


The following is not always an exhaustive list. But don't worry, we aim to catch everybody, with photo so you can see we're all real people here! Read or subscribe to our OQ blog!

Photo of Arjen

Arjen Lentz (IRC: arjenAU) helped build MySQL AB (employee#25, 2001-2007) until just before its acquisition by Sun Microsystems. He also co-authored the 2nd edition of O'Reilly's High Performance MySQL book, and speaks regularly at user groups and conferences.

Originally Arjen is a C programmer, with coding experience going back to the early 80s. He also has a keen interest in Open Source, sustainable business models (Upstarta), and sensible mental health (BlueHackers). Outside work hours, Arjen likes to spend time with his blended family, cook, walk, camp, read, listen to music, and grow herbs/veggies.

Arjen is Open Query's Founder and Exec.Director

Peter Lock's pic

Peter Lock (IRC: picnicpete) is a system and database administrator, based in Brisbane, Australia. At Open Query, Pete's specialty is backups. Pete is one of our trainers.

Peter loves getting out and about: cycling, canoeing, bushwalking.

Andrew's photo

Andrew Chalmers (IRC: Imajica) is a senior engineer (database, systems and architecture) and our resident security/cryptography expert.

Iwan's photo

Iwan Boskamp (IRC: Iwan) is our Operations Manager.

Nikolai Lusan (IRC: Maliuta) is a system administrator.

Nikolai mainly takes care of Open Query's internal systems, but also assists with client work.


Past employees include Toby Thain, Zak Greant, Walter Heck, Peter Lieverdink, Elspeth Thorne, Sarah Walters, Sean Pringle, Lyndon Swan, Guillaume Lefranc, Steve Dalton, Grant Allen, Thom McIntyre and Daniel Black. Ray Cauchi and Sebastian Bergmann also did their parts. In their different jobs they've all helped build OQ. Thanks!