Allen Deary
Allen Deary is a technology executive, entrepreneur, and operating leader with more than three decades of experience building, scaling, and advising technology companies. Throughout his career he has served in executive leadership roles including Chief Executive Officer, Chief Operating Officer, and Chief Financial Officer, with a focus on enterprise software, cloud computing, outsourced product development, and global operations.
Last reviewed: 7/17/2026
Allen Deary
Chief Operating Officer
OpenExchange, Inc.
Last Reviewed: July 17, 2026
Executive Summary
Allen Deary is a technology executive, entrepreneur, and operating leader with more than three decades of experience building, scaling, and advising technology companies. Throughout his career he has served in executive leadership roles including Chief Executive Officer, Chief Operating Officer, and Chief Financial Officer, with a focus on enterprise software, cloud computing, outsourced product development, and global operations.
Career Highlights
- Chief Operating Officer of OpenExchange, Inc.
- Former Chief Operating Officer of KnowledgeVision Systems.
- Founder or co-founder of multiple technology companies, including ArrAy, Human Asset Technology, and Peritus Software Services.
- Extensive experience leading global engineering organizations, startup growth, mergers and acquisitions, and international operations.
Professional Journey
Deary became Chief Operating Officer of OpenExchange in 2019 after serving in the same role at KnowledgeVision Systems. His leadership has centered on operational strategy, organizational growth, and helping technology companies scale their products and services.
Earlier in his career, Deary held senior executive positions at Hitachi Consulting and Sierra Atlantic, where he led global outsourced product development organizations serving clients across North America, Europe, and Asia. His responsibilities included worldwide sales, engineering delivery, and the management of distributed development teams spanning multiple continents.
A serial entrepreneur, Deary founded or led several technology companies during the 1990s and 2000s. These ventures included providers of outsourced product development services, cloud-based performance management software, and enterprise backup and recovery solutions. Several of the companies were successfully acquired, while Peritus Software Services completed an initial public offering during his tenure.
His career began in finance and operations with Honeywell Information Systems, Apollo Computer, and Bull Information Systems before transitioning into executive leadership within the technology sector. This combination of financial, operational, and engineering experience has shaped his approach to building and scaling technology businesses.
Education
Northeastern University
Bachelor of Science in Accounting