X World Feature Presenters

A number of feature presenters will present at X World 2010. These include:

Arek Dreyer

Dreyer Network Consultants, Inc.

Arek Dreyer is a Chicago, Il based author, courseware developer and computer consultant, expert in Mac OS X and directory services in Mac OS X Server. He is an Apple Certified Trainer and Apple Certified System Administrator and has been delivering system administration training for Apple Worldwide Training and Certification since 2002. He maintains expertise in Microsoft Windows and UNIX based environments, particularly Sun Solaris, Mac OS X has become his preferred platform, and he enjoys the challenge of heterogeneous networks like integration with Active Directory.

He has been a presenter at the Macworld Expo conference on many occasions and is also the author of the Peachpit 'Apple Training Series' books including:

• Apple Training Series: Mac OS X Directory Services v10.5
• Apple Training Series: Mac OS X Server Essentials v10.6: A Guide to Using and Supporting Mac OS X Server
• Apple Training Series: Mac OS X Directory Services v10.6: A Guide to Configuring Directory Services on Mac OS X and Mac OS X Server
  

Les Posen

Presentation Magic

Les Posen is a Clinical Psychologist in practice specialising in anxiety disorders. But he has been a Mac user since 1988, and a Keynote user since its introduction in 2003 when he also commenced post graduate studies in Knowledge Management at the Melbourne University.

Since then he has continued to use Keynote as a knowledge sharing tool, and his prowess with the application has seen him join the Macworld teaching faculty in San Francisco where he has presented two day powertools workshops for the last three years. He has also presented to and maintains contact with the iWork development team in Cupertino and Pittsburgh.

Les is currently President of the iMug Mac user group in Melbourne and this is his first time presenting at X World.