Tony Alletag is the Vice President, Digital Solutions. Tony is an experienced IT Project Manager and software engineer dedicated to technical excellence and modern practices for product delivery. His professional experiences include a diversified portfolio of IT projects and consist of cyber security solutions, PaaS/SaaS solutions, intelligence dissemination, human language technologies, and financial reporting systems.

Tony has a M.S in Information Technology and B.S in Information Science and Technology both from the Pennsylvania State University and is a PMI certified Project Management Professional and Agile Certified Practitioner.

Tony enjoys anything outdoors (Fishing, Hunting, Biking, Hiking, Skiing, Riding ATVs, Horticulture) and spend most weekends spectating and/or coaching youth sports at his children’s sports events.

Sarah Dabney is the Vice President, System & Mission Engineering for PLEX and joined the company in 2019. Prior to joining PLEX, she spent over 7 years at ASRC Federal & it’s subsidiaries, serving as the Vice President, Intel, leading a growing portfolio that supported advanced collection capabilities across the Intelligence Community, focused on SIGINT and Cybersecurity. Sarah holds a Bachelor’s Degree from the University of Massachusetts, and when she isn’t busy at PLEX, she juggles twins and a toddler, traveling the globe and enjoying the beautiful Chesapeake Bay.

Dan Goodwin is the Director of Holistic CNO Engineering. Dan is an experienced Program Manager, Technologist, and Digital Engineer with a diverse customer and industry background. His professional experience includes a diverse portfolio of cyber security, software, systems, FPGAs, microelectronics, telecommunications, networking, and hardware in domains such as Information Assurance, SIGINT, and Platform Missions.

Dan has a M.S. in both Electrical/Computer Engineering and Computer Science from Johns Hopkins University and a B.S. in both Electrical Engineering and Business Information Systems from University of Maryland, College Park. He is also a PMI certified Project Management Professional and participated in University of Maryland’s Entrepreneurship Citation Program.

Dan enjoys running, biking, skiing, playing piano, and spends most weekends with his wife and three small children.

Christina Majernik is Vice President of PLEX Cyber, charged with driving PLEX Cyber’s continued growth in the commercial cybersecurity market by building critical partnerships and relationships, ensuring exceptional client experience and deliverables, and developing its go to market strategy. In addition, as a practitioner of risk management, cyber governance, organizational resilience, and regulatory compliance (FFIEC, GLBA, SEC, FINRA, NYS DFS), Christina has a unique background to advise her clients on best practices in securing their enterprise alongside her awesome team of world-class technical experts.

Prior to joining Plex Cyber in December 2020, Christina held several senior leadership positions in Cybersecurity including: Senior Vice President, Domain5; President and CEO of Secquity Advisors; Vice President of Cybersecurity Services for Optio Labs; and Director of Cybersecurity Services (Art of Exploitation) at TeleCommunication Systems (TCS) Cyber Intelligence Group.

Currently, Christina is an active Board Member of the Cyber Association of Maryland (CAMI) and Leadership Anne Arundel.

Christina has held a number of community-based volunteer positions including: Co-Chair, Cyber and AG Symposium, December 2020; Chair, Women and Diversity in Cybersecurity Committee, CAMI 2018; Chair, Commercial Cybersecurity Committee, Chesapeake Regional Tech Council 2013 – 2016; Steering Committee Member, CyberWorks , Anne Arundel Workforce Development Corporation, 2015 – 2016; Board Member, Maryland/DC District Export Council 2014-Present; Co-Chair 2013-2015 Celebration of International Trade Conference and Expo, Baltimore, MD; Board Member, Sail Baltimore; Board Member, MD/IDRC Partners; Board Member, West Anne Arundel Chamber of Commerce; Board Member, Northern Anne Arundel Chamber of Commerce; Founding Member of the Fort George G. Meade Regional Growth Committee, Founding Member of the Maryland Cyber Challenge and Conference (MDC3) 2011/2012.

Christina earned BAs in Psychology and Political Science from Canisius College of Buffalo, and an MA in Urban Planning from the State University of New York at Buffalo.

When not at work, Christina enjoys sailing, taking long walks with her judgmental cocker spaniel Murray and trying new recipes while cooking for her family and friends. She resides in the Locust Point neighborhood of Baltimore City with her husband Matt, son Cole and daughter Melana.

Casey is the Director, Research and Development. He has over 30 years of experience in SIGINT, ISR, Special Operations, Operational Test and Evaluation, System Engineering, and organizational leadership experience. He specializes in identifying good and bad ideas at a distance.

Casey is a retired US Navy Master Chief Petty Officer who began his career as a Persian Farsi operator deploying aboard surface combatants during the Iran/Iraq war. Following Desert Storm he became a Naval Air crewman, and when not flying naturally spent a lot of time aboard submarines. He subsequently served as an Operational Test Director at the Naval Information Warfare Activity developing and fielding prototype IO and EA systems. Upon graduating the Special Warfare Combatant Crewman he spent six years as a tactical Cryptologic operator. He served an administrative tour back at the Defense Language Institute where he was responsible for 200+ future linguists on a daily basis. Casey finished his Naval career as a Senior Enlisted Leader.

He has been in the private sector since retiring in 2011 as a Subject Matter Expert, instructor, Capture/Proposal Manager, Program Manager, PMO Director, and Vice President of Customer success. In his spare time Casey enjoys precision long range rifle, dynamic pistol shooting, amateur radio and reads extensively across a broad range of topics.

Steve is the Lead for Data Sciences & Engineering.  He has served in the Intelligence Community for over a decade working projects in the areas of Business Intelligence, Data Analytics and Content Management Systems.

Prior to starting with PLEX, Steve was the Senior Corporate IT Manager for Varen Technologies and a Senior Consultant in the area of Business Intelligence, Data Analytics and Content Management Systems starting in October of 2006. Preceding his time at Varen Steve worked for Data Management Group as a Business Intelligence & Data Analytics Consultant/Teacher, providing services and instruction to variety of public and private organizations.

Steve has also worked and traveled as a Technical Sales Engineer providing Financial Management and Business Intelligence solutions to the insurance industry.  Steve performed all manners of Information Technology assignments from System Administration to Technical Support to Website Design to Social Media management for several private companies.

Steve holds a Bachelor of Science degree in Information Technology from The Catholic University of America. He also holds a Master’s of Science in Information Assurance from Iowa State University and has continued his graduate studies in Systems Engineering and Human Computer Interface Design. He currently is a member of AFCEA – Central Maryland Chapter.  In his free time Steve enjoy traveling with his family to historical items and roadside oddities.

Mathew Breinlinger is the Lead for Cyberspace Intelligence Analysis for PLEX. He has over 16 years of watch-listing terrorist nominations, cyberspace operations and intelligence experience. Mathew served 4 years in the Marine Corps as a Military Policeman, followed by a transition into the civilian sector as a contractor supporting the FBI’s Terrorist Screening Center. Mathew is currently providing intel support as an intelligence planner for the training, readiness, and exercise team in support of all USCYBERCOM J2 exercises.

Mathew holds a Master of Science in Project Management, a Bachelor of Science in Criminal Justice, and is also a certified Project Management Professional (PMP).

When not working, Mathew enjoys traveling, watching all Cleveland sports teams, and trying to keep up with all the kid’s sports activities, which happily take up a good majority of his weekend.

Assistant VP (AVP) responsible for threat detection and strengthening client cybersecurity programs at PLEX Cyber, Todd began his information security career applying the same strategies to aircraft and satellites as a U.S. Air Force Cyber Operations Officer and then as a member of the MITRE Corp. Todd is an active member of the information security community who regularly speaks at cybersecurity conferences and mentors the next generation of cybersecurity experts.

Ronnie Choe is the Lead for Cyberspace Plans and Policy. He has over 16 years of experience in military operations, intelligence analysis focusing on signals intelligence, and cyberspace operations.

Ronnie began his career as a Marine infantry and intelligence officer in 2002 with multiple combat deployments to the Middle East, including serving as a scout sniper platoon commander, adviser to the Iraqi Army, battalion intelligence officer, and military liaison officer. As a reserve Marine officer, Ronnie has supported the Joint Chiefs of Staff and currently serves as an intelligence officer.

In his contractor capacity, Ronnie has served as a cyber operations planner and as a lead intelligence analysis trainer. Ronnie is currently a threat analyst supporting special operations.

Ronnie holds a B.S in Political Science with a minor in Japanese from the US Naval Academy and an M.S. in Intelligence Analysis from Johns Hopkins University. As a father of three young children, Ronnie doesn’t exactly remember what spare time is.

Elinor Grant is the Contracts Manager supporting all of PLEX Solutions in areas of contracts negotiations, rate negotiations, supplier documentation requirements, and any other matters of contractual concern for the company as a whole. With over 15 years of experience in both Subcontracts and Contracts Management, Elinor is well-versed in FAR/DFAR guidelines and what is necessary to meet and maintain Government approved purchasing requirements. She prides herself in areas of government compliance and leadership qualities within the Procurement team.

Elinor earned her B.A. in Marketing from the University of Maryland, College Park – Robert H. Smith School of Business. During her spare time she enjoys spending time with her family, spoiling her children, and the occasional shopping spree for much needed retail therapy.

Ken Honecker is a Senior Consultant with over 20 years of experience in security; global IT planning, operations and management; and business operations. Ken has strong technical leadership as well as operations expertise. Ken began his career in the intelligence community as a language analyst in the U.S. Army and transitioned into the technology consulting industry where he developed hands-on technical skills in systems engineering; computer and network security; and IT architecture. He has been a Senior Consultant in the intelligence community for the past 15 years.

Ken completed his undergraduate degree from Illinois State University and also holds an MBA from John Carroll University as well as an MS in Technical Management and Innovation from Johns Hopkins University. He maintains numerous professional certifications including CISSP, CISM, CGEIT, CRISC, CISA, and PMP. Ken enjoys spending time with his family and loves to be outdoors hiking, biking and exercising.

Marcus Johnson is the Lead for Mission Software Solutions for PLEX. He has nearly 20 years of software engineering and intelligence experience. Marcus has proven ability with providing software development, integration, DevOps and testing expertise. He began his career at Booz Allen Hamilton where he developed OCR image recognition software and he now currently supports an enterprise operations effort that involves advancing and modernizing capability and component registry systems.
Marcus holds a Bachelor’s degree in Computer Science from Howard University and a Master’s in Information & Telecommunication Systems from Johns Hopkins University. In his spare time, he enjoys working in various community service and volunteer groups. Marcus is currently involved in the ALS DC/Maryland chapter and the FIRST Robotics Chesapeake where he mentors robotics teams and judges at state competitions. Aside from that, Marcus enjoys spending time with family and friends, traveling, and doing anything outdoor related.

George Mohnasky is a Lead at PLEX. George is a retired civilian employee with over 36 years of cryptologic and signals intelligence experience. While serving he held various technical and leadership positions including Chief of Signals Development Division, senior representative to the joint agency team that established the National Cyber Mission Force and co-led the establishment of cyber tradecraft.
George retired from government service in 2015 and joined contractor world where he served as a Senior Cyber Consultant to dealing with plans and exercises. He joined PLEX in 2016 as a System Engineer supporting the transition of legacy analytic systems to the modern architectures.
George holds a Bachelor of Science Degree in Business Management from the University of Maryland University College.

Will Phillips is the Lead for Business & Analytic Applications for PLEX. He has over 15 years experience in information technology supporting government customers. He began his career supporting the Department of Defense as an IT consultant. He implemented and supported a content management system for the Navy. For the past 12 years, he has been supporting several different intelligence community customers. He is a Subject Matter Expert in Business Intelligence and Enterprise Content Management software.  Will has led several efforts for the migration of IBM Cognos for user communities of several thousand.

Will graduated from the College of Southern Maryland with a degree in Business Administration. In his spare time (which pretty much does not exist with 3 children in elementary school, sports and activities), he likes to golf, watch sports, and travel to local beaches. Will and his wife Jessica live in Southern Maryland and are raising 2 girls and a boy.

Lark Ryan is the Business Operations Manager for PLEX, providing financial, accounting and budgeting services. Lark has supported the Intelligence Community for over 20 years in a variety of roles including project control and business operations/management support. Lark possess a strong background working with multiple contract types including Firm Fixed Price (FFP), Fixed Price Level of Effort (FPLOE), Time and Materials (T&M), Cost Plus Award Fee, Fixed Fee, and Incentive Fee (CPAF, CPFF, CPIF).

In her spare time, Lark likes to spend time at the beach, travel, and watch sporting events that her children participate in.

What is a People Enthusiast? At PLEX, it is the person who is devoted to both candidates and employees, taking care of everything from hello to hire to happy anniversary! With 15 years of experience in Human Resources and Personnel Security, Tammy supports PLEX by helping to create and maintain a corporate culture that is employee focused.

Tammy is a graduate of Catholic University of America where she received a Bachelor of Music in Musical Theater. After a career in the performing arts, she then received her HR Certification through Cornell University. She has since been dedicated to working for DoD companies as an FSO and HR Generalist. She is an active member of the Society for Human Resource Management (SHRM) and the Industrial Security Awareness Council (ISAC).

Tammy still loves to sing and act (around the house) with her husband and two kids and her dog, Buzz.

Joe Smith is the Lead for Technical Collections and Operations at PLEX. He has over 20 years of experience in Signals Intelligence collections, analysis, and operational support. He served in the United States Marine Corps for 13 years having supported both small unit special operations and national level strategic objectives. Joe has earned commercial certifications from CompTIA and CWNP as well as a BS in Information Technology from Kaplan University. He is always trying to learn something. He enjoys traveling and spending time with family.

Stefan Strautnieks is the Associate Vice President of Cyber Assessments at PLEX Cyber, PLEX’s commercial consulting business, and one of the Lead Developers in PLEXWorx, PLEX’s internal R&D shop. Stefan is a former US Intelligence Community officer where he focused on software development, network analysis, and offensive network operations in support of critical US intelligence missions. He specializes in network penetration, vulnerability assessments, and advanced adverserial emulations.

Stefan has a B.S. in Computer Engineering from Old Dominion University and holds several, high-valued Cybersecurity certifications: CISSP, OSCP, OSWE, CRTP, and CRTE.

Stefan strives towards continuous learning, sharing knowledge, and competing in hacking events like HackTheBox and online CTFs. In his free time, he enjoys spending time with his kids, playing video games, and learning musical instruments.

DeMarco Wells is the Lead of Cyberspace Operations with PLEX. He has 24 years of distinguished military service with a broad range of disciplines in Signal Intelligence, Cyberspace Operations, Space Base Operations and ISR.  He has proven skills in coordinating and executing threat analysis, collection management, risk management assessments and system engineering.

DeMarco holds an Associate of Communications Technology from the Community College of the Air Force, a Bachelor in Information System Technology (Cum Laude) from the University of Maryland University College and a Masters in Cyber Security from Virginia University of Science & Technology (Dec candidate).

When not working, DeMarco enjoys traveling, attending pro football, basketball, boxing, spending time with loved ones and doing anything that his girls are involved in.