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Industry Knowledge, Benchmark Professionalism and an Ethical Approach


Amy Gilliland

Amy Gilliland


Amy Gilliland became president of General Dynamics Information Technology on Sept 1, 2017. Ms. Gilliland has been serving as GDIT senior vice president and deputy for operations, supporting the company in all aspects of business operations. General Dynamics IT provides information technology solutions and professional services to a variety of government and commercial customers, including defense, intelligence, homeland security, health and civilian agencies.

Previously, Ms. Gilliland served as senior vice president of human resources and administration for General Dynamics at corporate headquarters. In February 2014, Ms. Gilliland was appointed a vice president of the corporation and served as vice president, human resources. Her responsibilities included the company’s executive compensation and ethics programs. Ms. Gilliland was chief of staff for the chief executive officer and staff vice president of strategic planning from 2013 to 2014. Prior, she was staff vice president of investor relations from 2008 to 2012, and director of strategic planning from 2005 to 2008.

Ms. Gilliland joined General Dynamics Corporation in 2005, having served in the U.S. Navy as a Surface Warfare and Public Affairs Officer. Her Navy assignments included service aboard USS LABOON (DDG 58), with the Navy’s Legislative Liaison Office to the U.S. House of Representatives, the Office of the Secretary of the Navy and the Navy Office of Information. 

Ms. Gilliland earned a bachelor’s degree with distinction from the U.S. Naval Academy, a master’s degree from Cambridge University, England and a master’s degree in business administration from Georgetown University.

Bernie GuerryBernie Guerry

Chief Operating Officer, General Dynamics Information Technology

Senior Vice President, Intelligence Solutions Division

In September 2017, Bernie Guerry was appointed chief operating officer of General Dynamics Information Technology, where he is responsible for General Dynamics Information Technology’s day-to-day operations, as well as assisting with development and execution of the General Dynamics IT strategy. General Dynamics IT employs over 24,000 professionals providing information technology solutions and services to U.S. government, international and commercial customers, including defense, intelligence, homeland security, health and civilian agencies.

Mr. Guerry also serves as senior vice president of General Dynamics IT’s Intelligence Solutions Division. The division provides enterprise solutions and services, including cloud solutions, virtual desktop environments, big data analytics, network engineering, secure environment mobile device management, professional services, cyber security solutions, operational tools and best practices in computer network defense and exploitation.

Mr. Guerry previously was vice president and general manager of General Dynamics IT’s National Intelligence Sector, where he provided IT solutions and mission support to the U.S. national intelligence market and internal security, information systems, training and development operations management.

Prior to joining General Dynamics, Mr. Guerry served as the senior procurement executive for the Central Intelligence Agency, overseeing its multibillion dollar contracting and acquisition program, major systems procurement, services, research and development, and new technologies. Previously he led organizations at the National Reconnaissance Office and the National Geospatial-Intelligence Agency, and served on the Federal Acquisition Council of the Office of Management and Budget (a subset of the President’s Management Council) and on the Intelligence Community Acquisition Council.

Mr. Guerry earned a bachelor’s degree in business from The Citadel and master’s degree in business management. He is a distinguished graduate of the Air War College, a graduate of the Intelligence Community Intelligence Fellows program and has completed executive programs at the Kellogg Business School at Northwestern University and at Harvard Business School. Mr. Guerry began his career as an active duty U.S. Air Force officer and received extensive acquisitions training at the Air Force Institute of Technology, Wright Patterson Air Force Base.

Currently, Mr. Guerry sits on the Board of Advisors for the Intelligence and National Security Alliance (INSA) and is a member of both AFCEA International and the United States Geospatial Intelligence Foundation. He received the Distinguished Career Intelligence Medal in 2006.

Julie Aslaksen

Julie Aslaksen

Vice President and General Counsel

Julie Aslaksen became vice president and general counsel of General Dynamics Information Technology on September 18, 2017. Ms. Aslaksen is responsible for managing the overall legal affairs of GDIT, including providing legal advice and guidance to the company’s business units regarding general corporate law, government contracts, labor and employment, mergers and acquisitions and international and regulatory compliance. She oversees contracts support within the company and routinely negotiates significant commercial and international transactions. As the chief legal officer, Ms. Aslaksen also manages claims and litigation filed by and against GDIT and conducts internal investigations.

Prior to this position, Ms. Aslaksen had been serving as staff vice president, deputy general counsel and assistant secretary for General Dynamics Corporation since July 2013. In this position, Ms. Aslaksen provided legal advice and strategic guidance to senior management and the Board of Directors on a wide variety of subjects, including corporate governance, federal securities laws, investor engagement, contract matters and general compliance / regulatory matters. Ms. Aslaksen was responsible for all public company functions, including shareholder meetings, NYSE compliance, and the oversight and implementation of all aspects of corporate governance policies at the company. Ms. Aslaksen also had responsibility for legal oversight of company-wide compliance and corporate policy matters.

Ms. Aslaksen joined General Dynamics in June 2003 as senior counsel with responsibility for securities matters and mergers and acquisitions. She became assistant general counsel and assistant secretary in December 2006. Prior to joining General Dynamics, Ms. Aslaksen was an associate with Dickstein Shapiro Morin & Oshinsky LLP in Washington, D.C., where she represented clients in a wide variety of general corporate law, mergers and acquisitions and securities law matters.

Ms. Aslaksen earned her juris doctor degree cum laude from the American University Washington College of Law in May 1999. She received her bachelor’s degree cum laude from the College of William & Mary in May 1996.

Ms. Aslaksen is a member of the state bars of the District of Columbia and Maryland.

Dave BreenDavid Breen

Vice President, Human Resources

As vice president, human resources David Breen has led numerous post acquisition integrations of human capital functions and systems since joining the company in 2004.

Previously, Mr. Breen served as vice president for human resources at General Dynamics United Kingdom, Ltd., following six years in leadership roles at General Dynamics Headquarters, first as human resources manager, followed by director of compensation. There, he played a key role in the design, development and administration of incentive and equity compensation plans. Prior, Mr. Breen first joined General Dynamics in 1985 at Electric Boat, where he participated in a broad spectrum of human resources initiatives.

Mr. Breen received his bachelor’s degree in industrial and labor relations from Cornell University and master’s degree in business administration from Rensselaer Polytechnic Institute.

Mike CassidyRichard M. Cassidy

General Manager, Global Solutions Division (Acting)

Senior Vice President for Operations, Global Solutions Division

Richard M. (Mike) Cassidy was recently named the acting general manager of the Global Solutions Division of General Dynamics Information Technology. He has been serving as senior vice president for operations of the division since 2006.

He joined the company as part of the acquisition of Anteon in 2006. He served at Anteon beginning in January 2003 as group senior vice president for the System Engineering Group. Prior to that position, Mr. Cassidy spent seven years in increasingly responsible executive positions with Lockheed Martin. These included vice president for Naval Systems, senior vice president for Advanced Naval Programs, senior vice president for Moorestown Operations and then senior vice president for the Naval Electronics and Surveillance System Business Segment.

Before joining Lockheed Martin, Mr. Cassidy served over twenty-five years as an officer in the U.S. Navy. After beginning service at sea in destroyers, he became an Engineering Duty Officer serving in Combat System Program management assignments culminating in his selection as the Program Manager for the AEGIS Weapon System and Technical Director for the AEGIS Program. In his final assignment, Mr. Cassidy served as Commanding Officer of the Naval Research Laboratory, the Navy’s corporate laboratory. He retired in 1996 with the rank of Captain.

Mr. Cassidy received his bachelor’s degree in Economics from the University of North Carolina in 1970. He also received a master’s degree in Electrical Engineering from the U.S. Naval Postgraduate School in 1976 and an MBA from Fairleigh Dickinson University in 1979. In 1990, he attended The MIT Sloan School Senior Executive Course.

Mr. Cassidy’s Navy awards include two Legion of Merit awards, the Defense Meritorious Service Medal, and two Navy Meritorious Service Medals.

Marcus CollierMarcus J. Collier

Senior Vice President, Health and Civilian Solutions Division

With 30 years in professional services in the federal IT market, Marcus Collier serves as senior vice president of the Health and Civilian Solutions Division of General Dynamics Information Technology. Delivering a lifecycle of IT services across the enterprise, the division provides infrastructure modernization, managed services support throughout the civilian marketplace along with software engineering, portal development and maintenance, data center consolidation and cloud computing services to an expanding customer base.

Prior to joining General Dynamics, Mr. Collier worked in senior management at Litton PRC, helping expand its presence into NAVSEA and support numerous shipbuilding programs, secure training and IT contracts with the U.S. Navy, U.S. Coast Guard, the Department of Homeland Security and the U.S. Army Reserves.

Mr. Collier received his bachelor’s degree in naval architecture and marine engineering from the University of Michigan and an international finance master’s degree from George Washington University.

Kristie GrinnellKristie Grinnell

Vice President, Information Technology and Chief Information Officer

Kristie Grinnell leads the company’s Information Technology strategic plan in areas of enterprise, business application, data centers, wide-area networks and customer service. Ms. Grinnell brings more than 15 years of senior leadership in the professional and IT service industries. Prior to joining General Dynamics IT, she served as both director of planning and governance and director of client delivery enablement at CSC. There, she oversaw execution of the company’s IT plan and implementation of its client and knowledge management strategy.

Prior to joining CSC, Ms. Grinnell worked as chief of staff, CIO and as global IT strategy executive at PricewaterhouseCoopers. During that time, she led the company’s IT transformation, aligning its business strategy that encompassed development of line of service IT portfolios, organizational change management, governance and processes.

Ms. Grinnell received her bachelor’s degree in mechanical engineering from the University of Pittsburgh and master’s degree in business administration from Cornell University’s Johnson Graduate School of Management.

Alison HarbrechtAlison Harbrecht

Vice President, Finance and Chief Financial Officer

Alison Harbrecht became vice president of finance and chief financial officer in February 2018.  Ms. Harbrecht is responsible for all financial aspects of General Dynamics IT, including financial planning and reporting, government compliance, and project financial management and control.

Ms. Harbrecht has served in a number of accounting, finance and leadership roles since joining General Dynamics in 2003, most recently as staff vice president of investor relations for General Dynamics Corporation. Prior to joining General Dynamics, Ms. Harbrecht served in financial and audit positions at Arthur Andersen and Navigant Consulting.  

Ms. Harbrecht earned a bachelor’s degree with distinction, in commerce with a concentration in accounting from the University of Virginia.  She is a certified public accountant in the state of Virginia.

Mark MeudtMark Meudt

Vice President, Communications & Marketing

As vice president, Mark Meudt oversees external and internal communications and marketing for General Dynamics IT.

Mr. Meudt has more than 25 years of experience in the U.S. defense, federal and state government marketplace.

Before joining General Dynamics, Mr. Meudt directed communications, marketing and public relations for the IT, engineering and services sectors of top-tier defense, aerospace and telecommunications firms. Prior, he managed U.S. commercial business development and operations at a subsidiary of Weber Shandwick, an international advertising and public relations agency.

Mr. Meudt received his bachelor’s degree in journalism from the University of Maryland and master’s degree from American University. He is also a graduate of the Darden School Executive Program in financial management at the University of Virginia. He is an award-winning journalist and a published author. Mr. Meudt serves on the USO Metropolitan Washington-Baltimore board of directors and is active with the Richmond Justice Initiative.