Our leadership

AMSC’s leadership team is driven by a commitment to innovation, excellence, and strategic growth. With deep industry expertise and a forward-thinking approach, our leaders guide the company in delivering advanced solutions that enhance energy resilience and strengthen defense capabilities.

Senior Leadership

Daniel P. McGahn

President, Chief Executive Officer and Chairman

Dan McGahn was appointed to the position of Chief Executive Officer in June 2011. McGahn joined AMSC in 2006 as Vice President, Strategic Planning and Corporate Development, and was later promoted to Senior Vice President of Asian Operations.

John W. Kosiba, Jr.

Senior Vice President, Chief Financial Officer and Treasurer

John Kosiba was appointed to Senior Vice President, Chief Financial Officer and Treasurer in April 2017. Mr. Kosiba is responsible for the overall financial management of AMSC’s strategy and operations.  He oversees AMSC’s finance, accounting, treasury and internal audit functions.

Board of Directors

Laura A. Dambier

Member of the Audit Committee

Laura A. Dambier, age 64, has been President of Insurance Capital Consulting LLC, a Connecticut limited liability company, an expert witness and consulting firm specializing in insurance operations, since July 2022. 

Arthur H. House

Chair of the Nominating and Governance Committee

Arthur H. House, age 80, has been a partner at Cybersecurity Risk Associates, LLC, a Connecticut limited liability company, that advises clients on improving their cybersecurity, compliance and privacy programs, since May 2020.

Barbara G. Littlefield

Member of the Audit Committee

Barbara G. Littlefield, age 65, has been Chairwoman and Lead Operating Director at Resilient Infrastructure Group, a developer of a full range of distributed water and wastewater solutions as a service for private and municipal clients that solve site-specific treatment needs, since February 2021. 

David R. Oliver, Jr.

Chair of the Audit Committee

David R. Oliver, Jr., age 81, is currently an independent consultant.

Margaret D. Klein

Member of the Compensation Committee

Margaret D. Klein, age 66, has been a professor of ethical leadership at the Naval War College since June 2017. From June 2017 to December 2022, she served as Dean of the College of Leadership and Ethics at the Naval War College.

Daniel P. McGahn

Chairman of the Board

Daniel P. McGahn, age 51, has been our chairman of the Board since July 2018, chief executive officer since June 2011 and president since December 2009. 
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Our culture

At AMSC you’ll be part of a purpose-driven organization helping the world progress to a better future through transformative power solutions.