Preston MacDiarmidPresident & Founder
Preston MacDiarmid has served as Quanterion’s President since the company’s beginning in 2000, developing and implementing strategic corporate plans and overseeing the day-to-day operations. He leads the company’s business development efforts, identifying potential opportunities, establishing key collaborative relationships with corporate partners as well as academic institutions, and managing strategic proposal capture and writing teams. Mr. MacDiarmid also oversees Quanterion’s financial and contracting matters, as well as the program management for Quanterion’s government and industrial efforts.

Mr. MacDiarmid brings a wealth of science and technology experience from both his government and industry background. Following an engineering start at General Electric Aerospace after college, he joined the Rome Air Development Center (RADC) (now part the Air Force Research Laboratory) in the reliability discipline where he eventually managed the Center’s System Reliability Research and Development program. In 1990, he accepted a position with IIT Research Institute (IITRI) (now Alion Science and Technology), where his success in leading its operation of the DoD Reliability Analysis Center (RAC) led to the position of Vice President of Information Analysis Center (IAC) Operations, including the activities of five DoD Centers of Excellence in technologies ranging from reliability, to guidance and control and modeling and simulation.

In 2000, Mr. MacDiarmid started Quanterion, where his expertise in IAC operations has been critical to the company’s success, and he continues to advise the company’s operations for the DoD under the Cyber Security and Information Systems IAC (CSIAC) and the Defense Threat Reduction IAC (DTRIAC). He is acknowledged as an innovator in the IAC community over the last 30 years. He holds an M.B.A from Rensselaer Polytechnic Institute, an M.S. in Mechanical Engineering from Syracuse University, and a B.S. in Mechanical Engineering from the University of Buffalo.

Quanterion’s Technology Directors

Michael WeirDirector, Cybersecurity & Information Systems
Michael Weir is responsible for the development and implementation of Quanterion’s corporate strategy in the Cybersecurity and Information Systems (CS/IS) technologies area, identifying emerging trends in cyberspace to predict future challenges that require complex and innovative solutions. He oversees all company CS/IS-related efforts, from the strategic partnerships for business development, to leading R&D efforts for both government and industry customers. His areas of expertise include Computer Security, Network Security, Military Information Systems, Systems Analysis, Systems Management, Information Security Research and Development, Information Theory, Network Security training/education.

As Director of the Cyber Security and Information Systems Information Analysis Center (CSIAC), he manages the center’s day-to-day operations while engaging customers to develop and perform Core Analysis Tasks (CATs). His domain expertise and team leadership have been instrumental to the success of the CSIAC, as well as the DoD IAC program as a whole.

Mr. Weir has over 30 years of experience in designing, developing, implementing, deploying, testing, operating, and managing complex military computer enclaves at small- to enterprise-level scales. He has developed, deployed and tested unique research and development components in the United States and abroad and researched work in network security for national-level customers. He excels in the management of diversified research teams involved in automation of information collection capabilities.

Prior to joining Quanterion, Mr. Weir served as Chief of Communications and Information Systems at the Eastern Air Defense Sector (EADS) for the NY Air National Guard and U.S. Air Force, where he guided the development and implementation of all data and voice systems to connect to NORAD and other CONUS agencies. During the post 2001 era, Mr. Weir architected intrusion detection and network awareness solutions to maintain positive control during 24/7 air surveillance operations over CONUS. Mr. Weir holds an M.S. in Computer Systems Engineering from Syracuse University and Electrical and Computer Engineering from Arizona State University.

Dea HuntDirector, Defense Threat Reduction Operations
Ms. Hunt is responsible for Quanterion’s Chemical, Biological, Radiological, Nuclear and Explosive (CBRNE) Defense and Weapons of Mass Destruction (WMD) Management programs where her expertise has been integral to the company’s growth in this field. She is responsible for Quanterion’s strategic planning and business development for defense threat reduction programs.

In her role as Program Manager of the Defense Threat Reduction Information Analysis Center (DTRIAC) over the last 16 years, she has provided her leadership, management and innovation to the operations of DTRA’s DTRIAC leveraging her expertise in nuclear weapon design and effects; counter-CBRNE experimentation; weapons effects technology, radiation effects, nuclear weapons custody and security and transport and storage of nuclear weapons. She has managed DTRA’s electronic Scientific and Technical Information Archival Retrieval System (STARS) operations as part of the DTRIAC core activities of collecting, analyzing and disseminating STI. She supports new business development activities of the organization, coordinating directly with customers to support Agency missions. Recent customer-sponsored DTRIAC initiatives include developing the “Radiation Effects Testing Handbook” and technical documentation analysis support to the AFNWC Project Officer Group Meetings. She is responsible for responses to technical inquiries covering all DTRA subject areas, such as Aircraft System Vulnerabilities, WMD Effects and Arms Control and Treaty Verification.

Prior to joining Quanterion, Ms. Hunt served as the DTRIAC Program Manager for Exelis, Inc., before which she served as an officer in the U.S. Army, performing numerous military assignments dealing with nuclear weapons and nuclear capable units in CONUS and OCONUS.

Ms. Hunt holds an M.S. in Nuclear Engineering from the University of New Mexico, an M.S. in Nuclear Physics from the Naval Postgraduate School, and a B.S. in Engineering from the United State Military Academy.

Stephen RediferDirector, National Capital Region (NCR) Operations
Mr. Redifer is responsible for Quanterion’s operations in the National Capital Region (NCR), assisting in business development and strategic planning as well as representing the company to new and existing government and commercial customers in the NCR,

Mr. Redifer has extensive experience in operational and crisis action planning, and he has participated in numerous National Security Special Events inside and outside the NCR to include three Presidential State of the Union Addresses, the 2016 Papal Visit to the U.S., and the 2016 Nuclear Security Summit. Additionally, he has a wide-ranging background that includes expertise in national security affairs, survivability/vulnerability, directed energy weapons, and space systems operations.

Prior to joining Quanterion, Mr. Redifer served over 27 years in the U.S. Marine Corps retiring in 2018 at the rank of Colonel. Mr. Redifer commanded at every level to include tours as the Commanding Officer of the Marine Corps’ Chemical-Biological Incident Response Force and Commanding Officer, Region 8 (Central Europe and the Balkans), Marine Corps Embassy Security Group. His staff experience includes tours in the Plans, Policies, and Operations Department and the Programs and Resources Department at Headquarters Marine Corps as well as serving on the Secretary of Defense’s staff in the office of the Director, Operational Test and Evaluation. Mr. Redifer’s combat tours include Operation Restore Hope, Mogadishu, Somalia and Operation Iraqi Freedom.

Mr. Redifer holds an M.S. in Applied Physics and an M.S. in Space Systems Operations from the Naval Postgraduate School, a Master of Strategic Studies from the Air War College, and a Bachelor of Aerospace Engineering from Auburn University.

Quanterion’s Management Team

Gary MancusoManager of Contracts
Aaron RiesbeckManager of Information Technology/Software Development
Paul LosiewiczManager of Business Development
Eric MacDiarmidManager of Administration
Open Positions

Join the Quanterion Team

Recent awards have opened several new positions at Quanterion. A full list of openings and information on how to inquire can be found on the Quanterion Careers page.
Open Positions