WASHINGTON, DC, Oct 1, 2025 – Siemens USA prepares for a leadership change. Barbara Humpton, president and CEO, will retire on Oct 1, 2025. She has served the company for 14 years, including seven as U.S. CEO. Siemens announced that Ann Fairchild, general counsel for Siemens USA, will serve as interim president and CEO. This change takes effect on Oct 1, 2025. During her tenure, Humpton played a central role in strengthening Siemens’s position as a leading U.S. tech company.
During her time as CEO, Siemens invested in U.S. operations. The company committed nearly $700 million to expand manufacturing and launched multibillion-dollar projects to connect industrial systems with digital technologies. Humpton also advanced Siemens’ use of industrial AI, positioning the company to compete in data-driven manufacturing and infrastructure. She emphasized developing talent and encouraging innovation, supporting Siemens’ 45,000 employees across the United States in modernizing infrastructure.
Before becoming CEO of Siemens USA, Humpton was president and CEO of Siemens Government Technologies, where she worked to integrate Siemens’ systems to federal agencies and departments. Humpton has also held external board and advisory roles, connecting Siemens USA with economic, policy, and social priorities.
Fairchild will take on the interim role starting Oct 1. She has been general counsel for Siemens USA since 2017, overseeing legal, compliance, and regulatory work across U.S. operations. With more than 20 years of legal and business experience, she has managed transactions, strengthened corporate governance, and supported Siemens’ initiatives in its largest market.
Source: Siemens Corp.
About Siemens Corporation
Siemens Corporation, the U.S. subsidiary of Siemens AG, operates across industry, infrastructure, transportation, and healthcare sectors. Founded in 1847, Siemens AG has more than 175 years of history and is headquartered in Munich, Germany. Its U.S. operations are based in Washington, D.C. In fiscal year 2024, which ended on September 30, the Siemens Group USA reported revenue of $21.2B. The company maintains 24 manufacturing sites in the United States and employs over 45,000 people, serving customers in all 50 states and Puerto Rico. Siemens focuses on integrating digital and physical technologies to support customer needs in efficiency, urban development, and sustainable transportation. The company applies industrial AI – including generative AI – to use cases across sectors.