About XLA













Years in Business






Federal Agencies Today


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Years ISO Certified





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Gary Slack

President and Chief Executive Officer

    Gary Slack

    President and

    Chief Executive Officer

    Under Gary’s leadership,       XLA is a provider of services and solutions to the national homeland, international, and defense sectors of the federal government. Gary has more than 30 years of experience in the government contracting industry ranging from professional services, information technology,

    electronics, and platform production. Gary previously served as President and Chief Operating Officer of QinetiQ North America and President of BAE Systems’ U.S. Combat Systems business where he oversaw operations involving more than 9,000 employees across 16 states. Gary holds a Bachelor of Science degree

    in Business Administration (accounting) from Longwood University. He is a member of the corporate advisory board for their College of Business and Economics, serves on the advisory boards of JWF Industries and is a board director of Enterprise Ventures Corporation.


    Nelson McClung

    Senior Vice President and Chief Operating Officer

      Nelson McClung

      Senior Vice President

      Chief Operating Officer

      As XLA’s Chief Operating Officer, Nelson McClung provides day-to-day leadership and general management to the company. Nelson oversees the company’s client portfolio, service delivery, and continued growth and maturity of XLA’s Practice Areas. Nelson’s expertise and leadership is evident in XLA’s development and implementation of solution

      offerings in the areas of cybersecurity, data analytics, business intelligence and capabilities, and global deployments. Nelson joined the firm in 2007, supporting the Department of Homeland Security. Nelson previously worked as a Senior Consultant with Booz Allen Hamilton for the Treasury Department and he held

      multiple positions of increased responsibility supporting TRICARE with Axiom Resource Management. Nelson has a Bachelor of Science from James Madison University and a Master of Science (Information Systems Technology) from George Washington University.

      Cynthia Andrews

      Senior Vice President Business Operations

        Cynthia Andrews

        Senior Vice President

        Business Operations

        Cynthia Andrews has more than 20 years of experience with government contractors, non-profits and commercial organizations. She joined this organization in 2007, working onsite at the Department of Homeland Security, before moving to headquarters in 2008 where she is now responsible for activities

        surrounding contracts and bids and proposals. Additionally, she serves as the XLA ISO Management Representative. Prior to joining XLA she was with Axiom Resource Management where she provided acquisition support to the Department of Defense. Cynthia began her career managing contracts with

        Department of Energy contractors, before joining an     IT start up where she established the contracts and human resource departments. Cynthia received her Bachelor of Arts from the College of Charleston and her JD from George Mason University School of Law. She became PMP certified in 2005.

        Patty Todaro Bolin

        Senior Vice President, Business Development & Capture

          Patty Todaro Bolin

          Senior Vice President

          Business Development

          and Capture

          Patty Todaro Bolin-150x225

          As Senior Vice President for XLA’s Business Development and Capture, Patty is responsible for growth and teaming solutions. Patty is a Mission and Operations Executive with more than 30 years of experience in directing complex national and regional organizations. Patty served in the Treasury Department’s U.S. Customs Service

          and Department of Homeland Security Customs and Border Protection for 20+ years in leadership and functional capacities. She then became a senior leader at consulting firms OSI, ProTelligent, Booz Allen Hamilton and PricewaterhouseCoopers. Patty is an Executive Board Member of the Border Security Technology Consortium,

          an Executive Board Member for Women in Homeland Security,  an Inaugural Member of the Border Patrol Industry Academy and is the DHS EAGLE II Unrestricted IPT Chairperson.

          She has a Bachelor of Science in Business Administration from the University of Maryland.





          program MANAGEMENT TEAM






          Case Studies & Solutions

          Case Studies

          XLA consistently delivers high-quality, agile and cost effective solutions, as proven by consistent growth and repeat customers. We tailor our services in response to our clients’ many multi-faceted challenges. XLA’s services include the following:


          • Law Enforcement Mission Support & Business Capabilities

          • Capital Planning Investment Control

          • Cybersecurity & Information Assurance

          • Systems & Technical Services

          • Call Center Services & Analytics

          • Asset Forfeiture

          • Acquisition Strategy, Planning, & Implementation

          • International & Humanitarian Deployment

          • Flood Insurance Business Intelligence

          • Human Capital & Background Investigations Lifecycle Services

          • Health Services Administration

          • Communications Services & Informational Products

          • Business & IT Training



          Documented Solutions



          XLA provides services to its customers as a prime contractor under a variety of Federal Supply Schedules and agency-specific IDIQ and BPA contract vehicles.

          For more information, please contact contracts@xla.com.

          Careers & Culture


          Our Culture

          XLA promotes a culture of continuous innovation designed to challenge our people, foster professional development, and cultivate community outreach.   Through these efforts, employees are engaged in their work and equipped to deliver superior client support.




          Grow with XLA

          We value our employees through every stage of their career. We actively identify means to enhance personal and professional development through evaluation of our benefit, education, and training programs.

          We are committed to fostering a continual learning environment through:

          • Career-Growth Focused Training

          • Professional Education Reimbursement Program

          • SMART Goal Mentoring Collaboration Program

          • Employee Mobility Program (independent contributor and management tracks available)

          • Corporate partnerships for training and development

          • Interactive Engagement & Retention Programs

          • Career-Development Driven Internship Program


          Employees at Play


          What’s Going On


          3-27-17 – XLA Announces New Partnership with the Arlington Food Assistance Center. XLA Lends A Hand is excited to announce our new charity partnership for 2017!  XLA has formed a relationship with AFAC, the Arlington Food Assistance Center, a non-profit organization dedicated to providing supplemental groceries and promoting dignified access to nutritious food to Arlington residents in need. Read More …


          1-9-17 – XLA Wins $25 Million IDIQ to Support USAID’s Middle East and North Africa Region. XLA has won a significant contract with the United States Agency for International Development (USAID), Middle East and North Africa (MENA) region. The Indefinite Delivery/ Indefinite Quantity (IDIQ) contract has a ceiling value of $25 million, a one-year base, and four 12-month option years. Read More …


          11-21-16 – Young Foreign Policy Leaders Revealed: XLA’s “Karina Plascencia” Chosen as one of the 40 under 40 Latinos in Foreign Policy.  XLA is proud to announce that along with pop singer Selena Gomez, multiple CEO’s, and foreign policy advisors to U.S. Congressmen, our very own Juana “Karina” Plascencia from the United States Agency for International Development (USAID), Latin America and Caribbean (LAC) Bureau was selected as one of the 40 Under 40 Latino’s to watch for in Foreign Policy and International Affairs.   Read More …





          XLA Service Awards

          Gives Back

          Charity Events

          We believe in the continuous commitment and support to members of our community. The XLA Gives Back program reflects the values embodied by our management team, our employees, and through our culture. XLA is proud of the extensive support received by our employees and their desire to contribute to public service, charity, and serving others in our local community.

          AFAC Charity


          Employee Portal

          Contact Us


          Where We Work in the US



          Affiliated XLA Websites

          Andes Ventures, LLC


          Membership Organizations