TechNet Indo-Pacific 2026

Sarah Nather
Deputy Director IT Portfolio Management
Office of the DoW CIO


Ms. Sarah Nather is a Department of War (DoW) information technology civilian with more than fifteen years of experience leading enterprise modernization, data, and digital transformation initiatives across the Office of the DoD Chief Information Officer (DoW CIO), Department of the Navy (DON), Defense Information Systems Agency (DISA), and the Department of the Army. Currently serving within the DoW CIO’s Information Enterprise Directorate, Ms. Nather leads enterprise initiatives advancing modernization across the Defense Business Systems portfolio. Her work integrates enterprise architecture, investment governance, portfolio rationalization, and data strategy to strengthen alignment between mission outcomes and technology delivery across the Business Mission Area. She has played a key role in advancing the Business Enterprise Architecture as a data-centric framework that improves traceability from strategy through execution and supports enterprise decision-making. Ms. Nather also contributes to Department-level IT policy modernization and Clinger-Cohen Act implementation efforts that better integrate architecture, capital planning, and outcome-based acquisition, enabling cross-Component collaboration to reduce duplicative legacy systems and improve enterprise visibility across the Department’s $8B+ business systems portfolio. Previously, Ms. Nather served as the Human Capital Solution Management (HCSM) Division Director for the Assistant Secretary of the Navy for Manpower and Reserve Affairs (ASN (M&RA)), where she led governance and modernization of the Department of the Navy’s Human Capital and Human Resources IT portfolio of more than 84 systems. She directed enterprise workforce data strategy and standards, including development and implementation of the Department’s Master Data Entity framework, which unified Navy, Marine Corps, and civilian workforce data into a Total Force Data Hub enabling improved analytics and decision-making. She also led enterprise implementation and governance of the Department’s civilian Learning Management System supporting more than 265,000 users, improving training accessibility, reporting, and workforce development outcomes across the Total Force. Ms. Nather previously served within the DON Chief Information Office / Office of the Chief Data Officer as Program Manager for Jupiter, the Department of the Navy’s enterprise data and analytics environment, delivering enterprise data governance and analytics capabilities to improve visibility and decision support across Navy business operations. Earlier in her career, Ms. Nather held multiple leadership roles supporting the Department’s largest enterprise IT service providers. At the Defense Information Systems Agency, she developed the Joint Interoperability Test Command’s strategic roadmap for adopting Agile and DevSecOps testing methodologies and led implementation of the DoDIN DevOps and JITC cloud-based test environment. She was selected for a senior executive rotational assignment as the civilian Executive Officer to the DISA Director and Commander, Joint Force Headquarters–DoDIN, and later served as Mission Partner Engagement Branch Chief, strengthening enterprise coordination across DoW Components, the Joint Staff, Combatant Commands, and federal partners. During her tenure at the U.S. Army Information Technology Agency and the Joint Service Provider, Ms. Nather led major Pentagon IT modernization initiatives, including deployment of the first multi-tenant Virtual Desktop Infrastructure capability, establishment of the Pentagon’s first enterprise development and test environment, onboarding of Fourth Estate organizations into common IT services which saved the Department over $31 million in IT consolidation, and modernization of the Pentagon’s NIPRNet Voice over IP infrastructure.

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