With ABN, you are supported by a group of experienced IT professionals who work together to help your organization achieve more value from your IT investment. Our training and experience result in faster and more reliable project implementations and problem solving. Our 10 consultants, engineers, and technicians have over 100 combined years of IT experience working together at ABN. They are certified across a wide range of platforms, including Microsoft, Novell, Linux, Cisco, Citrix, and HP. Ongoing training and certifications allow our team to stay current with technology so we don’t learn about new technology on your time and at your expense.

ABN has also established strategic partnerships with a number of leading IT companies, including Novell, Microsoft, Cisco Systems, Intel, Compaq, Hewlett Packard, Xerox, 3Com, Citrix, Tektronix, Artisoft, SMC Networks, and Okidata. These partnerships provide us with early access to products, education, certification, and access to advanced technical support.

Meet the Team

Alex Poltorak, CEO/President
Alex has degrees in electrical engineering and mechanical engineering and specialized telecommunications training. He has been with ABN since its inception in 1996 and works primarily on guiding the development of the ABN team and on building and overseeing the relationship with our customer base.

Michael Malitsky, Chief Technology Officer
Michael has Master Certified Novell Engineer, Cisco Certified Network Professional, and Cisco Certified Design Professional certifications. He also has taken numerous other courses with Novell, Cisco, and other vendors. Michael has been with ABN since 1996.

Steven Wells, Chief Operations Officer/Executive Vice President
Steve has been with ABN over twenty years. Steven has a Masters in Business Administration from Roosevelt University, and a BBA in Business Administration from University of Whitewater-Wisconsin. Steven’s certifications include:

  • Microsoft MCSA: Windows Server 2012
  • MCSA: Microsoft Windows Desktop
  • Master Certified Novell Engineer with over 30 additional Micro Focus Novell certifications
  • SUSE Certified Linux Engineer with 6 additional Linux certifications.
  • CCNA, CCNP and other Cisco certifications.
  • Certificate in Project Management

Steven is also part of the Vernon Hills’ American Legion Color Guard Unit and volunteers for the Boy Scouts of America for Three Harbors Council.

Michael O'Brien, Vice-President
Michael has been with ABN since 1996. Michael is a Microsoft Certified Systems Engineer, a Microsoft Certified Systems Administrator, and a Citrix Certified Administrator.

Graham Brown, Senior Network Administrator

John Caselli, Senior Network Engineer
John joined ABN in early 2016 and has been an IT professional since 1991 after 10 years in the military. John has held top IT management roles and consulted as a Senior Network Engineer. He has led large projects including Microsoft Exchange migrations, Active Directory Forest reorganization and VMWare Implementations.

Andre Derosier, Desktop Administrator Support Specialist
Andre joined Advanced Business Networks in 2014. Andre has completed Microsoft Certified Solutions Associate in Microsoft Windows Server 2012 and Windows 7 desktop support. Andre is currently pursuing Cisco certifications and obtaining Microsoft Certified Support Engineer for Microsoft Server 2012.

Craig Harding, Sales Manager

Sean Humphries, Senior Network Administrator

Rich Ocampo, Service Manager
Rich has been with ABN since 2005. He has a B.S. in Computer Science and is a Certified Novell Engineer, a Certified Linux Professional, and a Microsoft Certified Professional.

Jeff Wheeler, Imaging Department Manager
Jeff joined ABN in 1996 and is a printing and imaging specialist with HP and Lexmark certifications for a wide range of printers and fax machines. He also has Comp TIA A+ certification.