William Austin

Homeland Security Coordinator, Connecticut Capitol Region Council of Governments

William Austin is the homeland security coordinator for the Connecticut Capitol Region Council of Governments. He holds national certifications as a chief fire officer, homeland security expert, and full member of the Institution of Fire Engineers. He also serves on the Connecticut Emergency Management and Homeland Security Advisory Council and is the chairman of the Connecticut Citizen Corps Advisory Committee. He is the former fire chief of West Hartford, Connecticut, and Tampa, Florida. He received a Masters Degree in Security Studies (Defense and Homeland Security) from the United States Naval Postgraduate School, in Monterey, California.


Marko Bourne

Senior Vice President, ICF International

Marko Bourne is the Senior Vice President for Strategic Initiatives and Disaster Management at ICF International. He has more than 34 years of experience in emergency services, emergency management, policy, governmental and legislative affairs, and public affairs. Previously, he was the Principal/Officer in charge of Booz Allen Hamilton’s homeland security and emergency management practice, also director of policy and program analysis for FEMA (2006-2009) and director of business development for homeland security at Earth Tech Inc./Tyco International (2004-2006). He also was acting director of the Department of Homeland Security’s National Incident Management System Integration Center and deputy director of FEMA’s Preparedness Division (2003-2004).


Megan Clifford

Chief of Staff at Argonne National Laboratory

Megan C. Clifford is Chief of Staff at Argonne National Laboratory. She serves as an advisor to Laboratory Director Paul Kearns to drive forward the laboratory’s vision and stakeholder relationships. Working with leaders across the laboratory, Clifford stewards Argonne’s change initiative to deliver lasting impact through science and technology leadership, research and operations excellence, and people development. Her involvement in the national security mission dates back to the establishment of the U.S. Department of Homeland Security, where she helped to create the foremost national preparedness doctrine. Her other clients have included the U.S. Department of Energy, U.S. Department of Justice, and U.S. Department of Defense. She currently serves as the chair of the Data, Metrics, and Tools Committee of the National Institute of Standards and Technology’s Community Resilience Panel for Buildings and Infrastructure Systems. Before joining Argonne, she worked for Booz Allen Hamilton, most recently as principal director within the Justice and Homeland Security business practice. She received a BA in International Business from The George Washington University. She is a current student and MBA candidate at Northwestern University’s Kellogg School of Management. She holds the Project Management Institute certification as a Project Management Professional.


John Contestabile

Director, Public Safety Solutions

John Contestabile is the Director for Public Safety Solutions at Skyline Technology Solutions in Baltimore, Maryland.  He joined Skyline after serving as the Program Manager for Emergency Response Systems at the Johns Hopkins University/Applied Physics Lab where he worked with federal sponsors such as FEMA, DHS Science and Technology, the Cyber and Infrastructure Security Administration (CISA) and FirstNet. He joined APL in July 2009, after retiring from the State of Maryland Department of Transportation (MDOT), where he was acting assistant secretary for administration responsible for, among others, emergency management and homeland security. In addition, he served as acting deputy homeland security advisor by Governor Robert Ehrlich and later the director of the Maryland State Communications Interoperability Program (MSCIP), reporting to the superintendent of the Maryland State Police, by Governor Martin O’Malley. He later served as a District of Columbia Homeland Security Commissioner from 2011-2013 and presently serves as a Washington Metro Rail Safety Commissioner appointed by Governor Larry Hogan.


David W. Cullin, Ph.D.

Vice President, Research, Development & Programs, FLIR Systems Inc.

David W. Cullin, Ph.D., serves as the vice president of research, development, and programs for FLIR’s CBRNE Detection Division. He previously served as: chief technology officer, FLIR Government Systems; senior vice president for technology transition, ICx Technologies; director of technology, Joint Program Executive Office for Chemical and Biological Defense; and program director, Critical Reagents Program, Joint Program Office for Biological Defense. At the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Dahlgren, Va., he served as a research chemist and NSWCDD project manager of the Air Base/Port Advanced Concept Technology Demonstration Program in support of the Joint Program Office for Biological Defense, later named the Portal Shield ACTD.


Kenneth E. Kligge

Director of Wargaming



Thomas (Tom) Lockwood

Independent Consultant Supporting C-suite Leadership

Thomas (Tom) J. Lockwood is a board member to multiple organizations and serves as an independent consultant supporting C-suite leadership on strategic execution and opportunities across multiple sectors and use-cases. Tom promotes trusted computing to create value, solve challenges, and promote quality of life and service. 
Tom Lockwood is the Chairman of the Secure Technology Alliance’s Identity Council, elected-member its Board and Executive Committee, and serves as Vice Chair of the Alliance.  The Alliance is the digital security industry’s premier association, bringing together leading providers and adopters of end-to-end, lifecycle security solutions to protect assets in a variety of vertical markets including devices, products and services. 
He is a former member of U.S. Department of Homeland Security’s senior leadership team and served three of its secretaries in key leadership roles. He supported the White House cybersecurity coordinator in efforts to secure online transactions as lead coordinator and core team member for development of the U.S. national strategy enhancing cyberspace security, trust, ubiquity, and privacy. He served in the Office of the Secretary as Senior Advisor for the DHS screening coordination seeking effectiveness and execution across then nearly 130 DHS-wide screening, vetting, and credentialing efforts. He led and was involved in multiple DHS and federal interagency efforts on enhanced decision-making, credentialing, screening, redress and waiver; and interoperable electronic media, verification and authentication.
Tom served as the DHS director for the National Capital Region, the Homeland Security Advisor and Deputy Director of Homeland Security for the State of Maryland, and the Executive Deputy Commissioner for Homeland Security and Emergency Serives for the State of New York
Tom’s executive leadership and design-build experiences span public and private sectors including public safety, security, defense, transportation, chemical, pharmaceutical, and food sectors. He is a Domestic Preparedness Journal advisor; a Brookings Legis Fellow; a class chair and graduate of the Harvard Business School; and Past-President of the Navy’s Association of Scientists and Engineers.


Joseph L. Nimmich

Maritime Awareness and Emergency Management Subject Matter Expert

 Joseph L. Nimmich joined Potomic Ridge LLC as a partner on 1 April 2019.  Prior to joining he worked at Booz Allen Hamilton as a Senior Executive Advisor as part of the Civil and Commercial Group.  Prior to joining Booz Allen Hamilton he was confirmed by the United States Senate as the Deputy Administrator of the Federal Emergency Management Agency (FEMA) in September of 2014 serving until January 2017.  During his tenure, his primary focus is on strengthening and institutionalizing the Agency’s business architecture over the long term to achieve the FEMA mission.  Prior to joining FEMA, Mr. Nimmich was the Director of Maritime Surveillance and Security at the Raytheon Corporation, where he directed maritime surveillance and security operations, as well as their emergency response capabilities. He served in the U.S. Coast Guard for more than 33 years, retiring as a Rear Admiral.  His Coast Guard assignments included the First Coast Guard District based in Boston, Massachusetts, where he was responsible for all Coast Guard operations across eight states in the northeast and 2,000 miles of coastline from the U.S.-Canadian border to northern New Jersey. Mr. Nimmich earned his Master’s in Business Administration from the Stern School of Business at New York University and holds a Master’s Degree in Strategic Studies from the U.S. Army War College.  He received his Bachelor of Science Degree in History and Government from the U.S. Coast Guard Academy. 


Sue Snider

Executive Director of the Northern Virginia Hospital Alliance

Sue Snider is the Executive Director of the Northern Virginia Hospital Alliance (NVHA), a 501(c)6 created by the Hospitals of Northern Virginia in 2002 in response to the 2001 Anthrax attacks.  NVHA exists to coordinate emergency preparedness, response and recovery activities for the member hospital and healthcare systems in cooperation with Local, Regional, State and Federal response partners.  With advanced degrees in Biology from The College of William and Mary, Sue taught Biology at the High School and University level before leaving education to start her own Emergency Planning business.  She later relocated to the DC metro area and represented the Virginia Governor's Office for Homeland Security and Virginia Department of Emergency Management for 8 years, acting as a program manager, liaison, and consensus builder.  She has also created, and currently serves as Executive Director of, a new 501(c)3 in partnership with local governments; Northern Virginia Emergency Response System (NVERS) which supports a regional approach to coordinated preparedness, response, mitigation, and recovery across jurisdiction and discipline boundaries.


Joseph Trindal

President and Founder, Direct Action Resilience LLC

Joseph Trindal is president and founder of Direct Action Resilience LLC, where he leads the company’s portfolio of public and private sector preparedness and response consulting, training, and exercise services. He also serves as president of the InfraGard National Capital Region Members Alliance. He retired in 2008 from the U.S. Department of Homeland Security, where he had served as director for the National Capital Region, Federal Protective Service, Immigration and Customs Enforcement. In that post, he was responsible for the physical security, law enforcement operations, emergency preparedness, and criminal investigations of almost 800 federal facilities throughout the District of Columbia, Northern Virginia, and suburban Maryland. He previously served, for 20 years, with the U.S. Marshals Service, attaining the position of chief deputy U.S. marshal and incident commander of an emergency response team. A veteran of the U.S. Marine Corps, he holds degrees in both police science and criminal justice.


Bert Tussing

Director of Homeland Defense and Security Issues at United States Army War College

Bert Tussing is the Director of Homeland Defense and Security Issues at United States Army War College, with National and International experience in domestic security issues, ranging from education to policy development. Bert's educational focus includes emergency management, homeland defense and civil support strategy and operations, homeland security policy, and domestic and international terrorism.