CornerstoneIT > About Us > Leadership


Raymond Paganini

President and CEO

Ray Paganini founded CornerstoneIT in 1994 as Paganini Development Team. Paganini has since grown CornerstoneIT into a full-service Microsoft Partner IT firm providing managed IT services, IT infrastructure support, IT disaster recovery, web and application development and cloud hosting services.

Phone: 440-853-5150

Todd Weisfeld

VP of Client Services

Todd Weisfeld provides leadership and management of client accounts, and is responsible for internal development and expanding new business.

Weisfeld specializes in project leadership for networking projects including AD, Microsoft Exchange, Microsoft Lync, Microsoft Dynamics, Office 365 and Cloud Migrations.

Phone: 440-853-5184

Ellen Prileson

Manager of Accounting & HR/ Benefits

Since 2005, Ellen has been responsible for managing the preparation and evaluation of all financial records, as well as human resources and benefits. Ellen also focuses on continuous improvement in the following areas: managing client credit, vendor relations, cash flow management, payroll, employee benefits, internal systems evaluations, and all government related business transactions. Prior to Cornerstone, Ellen was employed by the Lubrizol Corporation where she held positions as a Manager with the Facilities Group, a Senior Data Specialist in Corporate Finance, and an R&D Lab Technician.

Phone: 440-853-5151

Josh Rosen

VP of Sales

Josh Rosen provides sales support services to CornerstoneIT clients including customer relationship management. Areas of expertise include foreign and domestic negotiations, business planning and deployment, system administration and creative business solutions. Rosen joined CornerstoneIT in 2012 with previous industry experience as an IT/AV developer, IT manager and systems consultant.

Phone: 440-853-5178