Leadership Team

President and CEO
Mac Curtis is the President and Chief Executive Officer of The SI Organization, Inc. In this role, he leads a company of over 2,000 people who provide innovative, cost-effective systems engineering and integration solutions to customers in the defense, civilian and commercial sectors.
Chief Operating Officer and Executive Vice President, Corporate Development
Deborah (Deb) Oliver is the Executive Vice President of Corporate Development and Chief Operating Officer. In this role, she is responsible for driving day-to-day operational milestones to meet the company’s strategic and growth objectives. Deb uses her enterprise operations, engineering, and management backgrounds to shape both the short- and long-term impacts that corporate strategy, mergers and acquisitions, industry and government relations, branding, and communications initiatives may have on the success of the business.
Vice President and Chief Financial Officer
Jim Reagan is Vice President and Chief Financial Officer at The SI Organization, Inc. In this role, he leads the development and implementation of financial strategies across the enterprise to ensure the SI and our customers are well positioned to meet mission goals.
Vice President, National Security Space
Tom Sheridan is the Vice President of the National Security Space line of business. In this role, he shapes the overarching strategy and deployment of the SI’s systems engineering and integration services to our customers in the Intelligence Community, the military and NASA in support of national security objectives.
Vice President, GEOINT Integration
Kent Matlick is the Vice President of the Geospatial Intelligence (GEOINT) Integration line of business. In this role, he drives the deployment of the SI’s GEOINT integration and analytical services to our customers in support of U.S. national defense.
Vice President, Intelligence Systems Group
Brett Dody is the Vice President of the Intelligence Systems Group line of business. In this role, he oversees the delivery of the SI’s cost-effective analysis and systems engineering and integration expertise to our customers across the Intelligence Community that directly impacts their mission success.
Joe Squatrito is the Director of the PhaseOne Communications Solutions Group. In this role, Joe leads a diverse team of top experts to conduct precision communications analysis and provide mission-driven solutions for customers that need to proactively anticipate and influence the information environment.
Vice President, Mission Analysis
Mike Kirkland is the Vice President of Mission Analysis. In this role, he is responsible for the technical integrity and success of our engineering solutions; driving complex technical issues to closure; and meeting the schedule, cost and mission needs of our customers.
Vice President, Business Development
Michael Polmar is the Vice President of Business Development at The SI Organization, Inc. In this role, he focuses on strategic business development efforts in support of the SI’s continued growth and success, including identifying new commercial markets, sustaining existing customer base, expanding business models, and guiding the pursuit of strategic capture opportunities.
Vice President, Marketing and Advanced Solutions
Doug Dreyer is the Vice President of Marketing and Advanced Solutions. In this role, he is responsible for growing and sustaining the SI’s business by identifying new customers and partners, designing future offerings, and providing innovative and customized solutions to our customers.
Vice President, Chief Technology Officer
Barry Barlow is the Vice President and Chief Technology Officer. In this role, he ensures the SI is positioned for short- and long-term success by assessing the technology needs of our customers, partners and suppliers, as well as developing a corporate technology roadmap to meet those needs.
Vice President, Human Capital Solutions
Kelly Jones is the Vice President of Human Capital Solutions. In this role, he leads a multi-disciplined team that ensures the SI is positioned for long-term success by focusing on the company’s most important asset – its people.
Vice President, General Counsel and Secretary
Steve Costalas is Vice President, General Counsel and Secretary of The SI Organization, Inc. In this role, he leads the SI’s legal, contracts and ethics functions to ensure the SI remains an ethical business leader.
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