Mr. Bill Reding currently serves with the Nuclear Emergency Support Team (NEST), as a Radiological Assistance Program (RAP) Regional Program Manager in the Office of Nuclear Incident Response, Counterterrorism and Counterproliferation, National Nuclear Security Administration (NNSA), U.S. Department of Energy (DOE), located in Oak Ridge, Tennessee.  In this capacity, he coordinates, collaborates, and supports leaders in DOE/NNSA and Local, State, and Federal partners.  He maintains the staffing, training, equipping, and exercising for two Radiological Assistance Program Teams; supporting: countering weapons of mass destruction, regional radiological incident/accident response, and regional outreach and training; provides operationally-ready NEST assets set to deploy 24/7 within two hours anywhere within the region.

Prior to his current role, Mr. Reding served as the United States Army, Geospatial Information & Services (GI&S) Officer; responsible for establishing/coordinating Army-wide GI&S regulations, training, and policy; served as staff officer in the Army G2 and member of various Army and Intelligence Community (IC) boards and working groups, coordinating directly with the National Geospatial-Intelligence Agency (NGA) primarily.

Mr. Reding joined NNSA in 2021 as the RAP-2 Regional Program Manager, responsible for covering nuclear and radiological response in: Arkansas, Kentucky, Louisiana, Mississippi, Missouri, Tennessee, Virginia, and West Virginia; as well as, Puerto Rico and the U.S. Virgin Islands.  Prior to joining DOE, Mr. Reding retired from the United States Army as a Lieutenant Colonel with 28 years of service, including three combat tours to Iraq and Afghanistan. 

Ms. Lockhart currently serves as the Acting Deputy Associate Administrator (SES) for the National Nuclear Security Administration (NNSA) Office of Counterterrorism and Counterproliferation (CTCP).  In this position, Ms. Lockhart is responsible for overseeing and advancing programs that counter nuclear terrorism and nuclear proliferation.  CTCP organization also manages capabilities to prepare for and respond to nuclear and radiological accidents and incidents worldwide.

Prior to her detail with CTCP, Ms. Lockhart served as the Assistant Deputy Administrator for Strategic Materials Production Modernization within the Office of Defense Programs.  In this role she managed strategic investments to modernize the Nation's capabilities to produce tritium gas, new sources of enriched uranium, and components for the secondary stage of nuclear explosive packages for the weapons stockpile.

Before serving as the Assistant Deputy Administrator for Strategic Materials Production Modernization, Brittany held several roles within NNSA’s Office of Defense Programs focused on production modernization and strategic materials sustainment for the nuclear weapons stockpile.  She has led several high-visibility efforts to build and execute multi-billion-dollar nuclear modernization programs with significant risks and aggressive delivery dates, ensuring NNSA delivered capabilities on time to meet weapons requirements for the Department of War. 

Ms. Lockhart was a project leader at the Defense Nuclear Facilities Safety Board where she led technical and safety reviews of the Department’s design and construction projects to provide independent safety analysis, advice, and recommendations to the Secretary of Energy.  She holds degrees in Chemical Engineering from the University of Virginia and the University of Maine. 

Mrs. Alexandra Williams is a biosecurity researcher whose research background and interests span biosecurity to countering bioterrorism and weapons of mass destruction. Her work has supported efforts across these topics including assessing and addressing biosecurity threats in the Americas, and adversarial behavior (both ideological and criminal) around pursuing and employing CBRN capabilities. Mrs. Williams has further studied the behavioral impacts of health mis- and disinformation to support evolution of effective public health messaging. She holds an MS in Biodefense and a BA in Government and International Politics from George Mason University.

Col. Anderson Wallace is a Brazilian Army specialist in CBRN Defense. He served in the 1st CBRN Company from 2003 to 2006 and later headed the CBRN Training Center (2010-2013). His international experience includes courses and exchanges with NATO countries, as well as training with the IAEA and the OPCW. He is a member of the UN CBRN Terrorism Expert Network and contributed to the development of “Module 6: The International Legal Framework Against CBRN Terrorism" at UN headquarters in Vienna. During the 2014 FIFA World Cup, he commanded the SOF’s 2nd CBRN Company. From 2022 to 2023, as Commander of the 1st CBRN Battalion, he participated in NATO CBRN commanders’ conferences and several CBRN SMEEs with the U.S. Army and the New York National Guard. In 2025, he headed the CBRN Division of the Logistics Command. He currently serves as Deputy Commander of the Brazilian Army CBRN Defense Command.

Ed Klima is a certified emergency manager with more than 35 years of public safety, emergency management, and major event experience. Most recently, he served as the Director of Safety and Emergency Preparedness for the FIFA World Cup 2026™, providing strategic leadership in the development, coordination, and implementation of comprehensive safety, emergency preparedness, and response programs across the tournament footprint in North America for both the 2025 FIFA Club World Cup and the 2026 FIFA World Cup. 

As an emergency management professional specializing in major sporting and entertainment events, Mr. Klima has supported some of the nation’s largest and most complex events and organizations, including the Philadelphia Eagles, Pittsburgh Steelers, NBA, NFL Pro Bowl, NFL Draft, and NFL Super Bowl. He has been an integral part of NFL emergency planning and event preparedness for more than 22 years. Previously, as Senior Director of Public Safety and Track Operations for Dover Motorsports and Dover Downs Hotel and Casino, he oversaw emergency preparedness, public safety, and security operations at multiple motorsports facilities across the United States, as well as the comprehensive safety and security program for a large, multi-faceted sporting, entertainment, hospitality, and gaming complex in Delaware.

A career public safety professional, Mr. Klima has more than 35 years of fire service experience in both career and combination departments, serving in leadership and operational roles as a chief officer, firefighter, hazardous materials technician, EMT, and fire inspector. He has extensive experience addressing national first responder issues and previously served as Managing Director of the First Responder Center of Excellence for Preventing Occupational Illness, Injuries and Deaths and as External Affairs Director for the Congressional Fire Services Institute. He has served on numerous National Fire Protection Association (NFPA) committees, including NFPA 1580, 1585, and 610, and previously served as Vice Chair of the International Association of Venue Managers (IAVM) Academy for Venue Safety and Security.

Mr. Klima holds two bachelor’s degrees from the University of Delaware and a master’s degree in Public Safety Management from Saint Joseph’s University.

Skyler Sallick is a Master of Arts candidate in Nonproliferation and Terrorism Studies, specializing in Threat Intelligence, at the Middlebury Institute of International Studies at Monterey. She also serves as a Graduate Research Assistant, supporting faculty research on state-linked cybercriminal groups, with an independent focus on cyber threats to critical infrastructure and operational technology vulnerabilities.

Prior to graduate school, Skyler spent four years on the Internet Freedom & Resilience team at Internews, an international NGO focused on freedom of expression and access to trustworthy information worldwide. At Internews, she co-authored country and regional-level digital threat landscape analyses and delivered internet-shutdown response and digital security programming for journalists and civil society in restrictive information environments. Her work includes “The Price of Disruption,” an econometric analysis of the cascading economic impacts of Senegal's 2023 internet shutdowns, and an internationally presented guide on sustaining open-source digital security tools. Skyler holds a B.A. in International Relations from Claremont McKenna College, where she was awarded Phi Beta Kappa and Best Thesis in International Relations.

Julian Atencio is the Security Program Manager at Los Alamos National Laboratory (LANL), bringing over twenty-one years of experience in the management of diverse security programs. His areas of responsibility have included Personnel Security, Human Reliability, Clearance Processing, Incidents of Security Concern, and Deployed Security. Mr. Atencio currently oversees the Department of Energy’s pilot Counter Unmanned Aircraft System (CUAS) Program. He works closely with the National Nuclear Security Administration’s Office of International Nuclear Security (INS), engaging internationally on key issues such as Nuclear Security Culture, Insider Threat Mitigation, Behavioral Observation Programs, Substance Abuse, and the evolving threats posed by unmanned aircraft systems. His professional interests include security prudence, understanding the impact of security, and examining the interplay between free will and atypical behavior within frameworks for trustworthiness. Before joining LANL, Mr. Atencio developed skills and expertise through positions in pre-hospital emergency medical services and forensic science, working in both a medical examiner’s laboratory and a criminalistics laboratory.

SGT Chloe M. Bonnenfant is a Survey Team Chief with the 92nd Civil Support Team-Weapons of Mass Destruction (CST-WMD) in the Nevada Army National Guard, located in Carson City, Nevada. She is responsible for employing on-site advanced detection and monitoring while wearing various levels of personal protective equipment, executing all phases of reconnaissance, site characterization, identification, sampling, and mitigation of Chemical, Biological, Radiological, Nuclear, and Explosive (CBRNE) materials. During the Biolab threat in Las Vegas, NV, she was one of the primary suit wearers that assisted with the initial entry of the residence, as well as site characterization in later entries alongside members from the Federal Bureau of Investigations Hazardous Materials Response Unit (FBI HMRU) and Las Vegas Metropolitan Police Department All-hazard Regional Multi-agency Operations and Response (LVMPD ARMOR) team.

Helen Podmore, PhD is a Global Product Manager at Smiths Detection, where she leads the development of advanced trace detection technologies for security and threat screening applications worldwide. With a career spanning scientific research, mass spectrometry, business development, and product management, Helen brings a unique combination of technical expertise and commercial leadership.

Helen's interest in drug detection began during her doctoral research at King's College London, where her PhD focused on drug detection in sport. This passion has remained a consistent theme throughout her career. During more than a decade at Thermo Fisher Scientific, she worked with laboratories using mass spectrometry to detect and analyse drugs and other compounds of interest, supporting applications across research, testing, and regulatory environments. She now continues this mission at Smiths Detection, helping to develop and deliver ion mobility spectrometry-based solutions that support the global fight against illegal drugs and other emerging threats.