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Arek Dreyer has been an Apple Certified Trainer since 2002. Originally an expert in Sun Systems, Dreyer shifted his professional focus to Mac OS X shortly after it came out. President of Dreyer Network Consultants Inc., Arek has been delivering courses and providing training around the world, both in the classroom and at events like the Apple Channel Camp and the Macworld Conference and Expo. Dreyer also provides integration and troubleshooting services for his own customers and for Apple.