An Apple Certified Trainer since 2002, Arek provides consulting, troubleshooting, and integration services for customers that use iOS devices and Mac computers in complicated environments, with a concentration in mobile device management and integration with directory services and identity management providers. He’s a certified Jamf JumpStart Integrator with multiple Jamf Pro certifications. Arek also delivers courses and provides training around the world, both in the classroom and at conferences. A prolific author, he most recently was the coauthor of the book used for Apple's macOS Support Essentials 10.14 course, “macOS Support Essentials 10.14: Supporting and Troubleshooting macOS Mojave,” with Adam Karneboge. He lives in Chicago in a little neighborhood called Bowmanville.