OSG appoints Doug O'Reilly as CIO and Mark Marin as CRO

Output Services Group announced the appointment of Doug O'Reilly as Chief Information Officer and Mark Marin as Chief Revenue Officer, according to a company statement. Both executives are based at OSG's Carol Stream, Illinois headquarters.

O'Reilly joined OSG on January 14, 2026, bringing experience in enterprise technology organizations and platform modernization across regulated environments. His background includes application development, cloud transformation, enterprise modernization initiatives, and enterprise AI adoption. As CIO, O'Reilly will oversee technology strategy, platform evolution, security posture, and operational scalability.

Marin joined OSG on January 19, 2026, with more than 30 years of experience in revenue growth, enterprise sales execution, and go-to-market strategy. He previously held senior leadership roles at Quad (NYSE: QUAD), where he led enterprise and strategic client solutions supporting nearly $1 billion in annual revenue. His experience spans enterprise sales leadership, revenue operations, sales enablement, and acquisition integration across marketing, print, digital, and distribution services.

"Doug and Mark bring the leadership, experience, and execution focus needed to help us scale our platform, accelerate growth, and continue delivering exceptional value to our clients," said Dean Cherry, President and CEO of OSG.

OSG provides Customer Communications Management and Customer Experience Management solutions. The company reports serving over 4,400 customers with more than 50 years of experience in the industry.

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