About 5th Dymension Solutions

Core Principles

Enhancing Customer Mission

Exploration of Ideas

Engineering of Solutions

Excellence in Delivery

Enduring Value

A GSE and Dynamis Inc. Joint Venture

5th Dymension Solutions is an SBA-approved Mentor-Protégé Joint Venture between GSE and Dynamis.

Threats around the world are persistent and constantly evolving. The national security capabilities necessary both domestically and abroad ― to include in-country partnerships ― must evolve with these threats. Capability development must take a broader, all-hazards view toward mission assurance.

5th Dymension Solutions is a uniquely-positioned engineering and professional services firm with a focus on national security, systems engineering and technical assistance, and Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) expertise.

5th Dymension Solutions – An Integration of Trusted Government Partners

Global Systems Engineering

Solving Some of the World's Most Challenging Problems

GSE is a HUBZone Certified small business providing contracting services to the Federal, State, and Military Leadership within the Defense, Energy, and Environmental sectors. GSE provides solutions to complex national security challenges. Its mission, through innovation and performance, is to develop deep customer trust built on integrity and create enduring solutions that improve our world.


Dynamis, Inc

Innovative Solutions for a Safer World

Dynamis, Inc. is a professional services firm with a history of supporting public safety and homeland security, national defense, counterterrorism analysis and training, all hazards preparedness, and emergency and incident management for the private and public sector. Dynamis is made up of operational practitioners with deep experience in public service. Dynamis delivers success with an emphasis on our customer’s missions, a commitment to excellence, and a culture of service.


The whole is greater than the sum of its parts. -Aristotle

Get To Know Us Better

Chris Russell
GSE Managing Partner

Chris has over 20 years of experience in engineering, design, implementation and sustainment of complex systems and systems of systems. He has extensive experience both as a federal civilian and as a contractor on programs across the Federal CWMD Enterprise, particularly within DOD, DHS and other Federal Response and Recovery Developers. 

Tim Mahoney
Dynamis Chief Operating Officer

A professional firefighter for over 20 yearsTim’s experiences supporting his local fire department have instilled in him a passion for community service and public safety.  As an emergency response SME, he has advised and mentored several government agencies to prepare our country for both natural and man-made threats.  He was a key contributor to the development of national-level emergency response doctrine for FEMA, as well as the establishment of emergency response training and exercise protocols for national, state, local, and tribal governments.  

Steve Jennings
GSE Partner/Business Manager

Steve has over 30 years of experience supporting government and industry in the areas of engineering/science, design, operations, program management, strategic communications, planning, and outreach. He has been a Project and Task manager for numerous programs conducted within DTRA Chemical Biological (CB) including Contamination avoidance for military mail (CAFMM), Biological Defense Initiative (BDI), BioNet, WMD-CST, Interagency Biological Restoration Demonstration (IBRD), and the Joint Service Installation Pilot Project (JSIPP).

Brad Gardner
Dynamis Chief Financial Officer

Brad Gardner currently serves as Chief Financial Officer (CFO) of Dynamis and is responsible for leading the Corporate Support Group as well as our Information Technology and Compliance (ITC) Division.  He assists the President, CEO, and COO of Dynamis with policy and strategy, and oversees the company’s fiscal activity, including budgeting, reporting, and auditing.  He assures legal and regulatory compliance while identifying and addressing both financial risks and opportunities for the company.

Alan Metzler
Vice President, Corporate Growth

Alan joined Dynamis in April 2017 as a Senior Principal and Director of our Security Solutions portfolio, bringing with him three decades of leadership experience as well as national defense and homeland security expertise. He leads a business unit that provides security-related services to the public and private sector and is our company lead for corporate growth. Alan has served in several senior executive roles, military leadership positions, and operational commands over his career, establishing a record of success in the Department of Defense, Homeland Security, and the U.S. Air Force.  

John Mclain
Dynamis Director, Defense & Science

John McLain is a Dynamis Principal and Director for the Defense and Science Solutions Group. An experienced leader, manager, strategist, and strategic analyst, John is an expert in countering weapons of mass destruction (CWMD) strategy and strategic planning efforts, and is the author/lead writer for the Defense Threat Reduction Agency (DTRA) R&D Strategic Vision, 2018 DTRA Strategic Plan for R&D, and 2019 DTRA Strategic Plan for RDT&E.