Our Company

Our mission is to provide high quality Information Technology Services and Solutions to the Federal Government.

We accomplish this by delivering on time and within budget – while consistently striving to exceed our customer’s expectations.

At Navstar, everything we do revolves around listening to our customers, delivering the results they expect, and being easy to work with as both a prime and subcontractor.

Navstar always put the customer first. We stop at nothing to assure complete project satisfaction. In 1999, Joanna Alexis founded Navstar as a small technology resource management solutions provider. Now one of the Top 50 Woman Owned Businesses in Virginia, our success is rooted in our personnel.

Navstar‘s reputation is based on professionalism, small business agility, responsiveness, and long-term financial stability. For nearly 20 years, Navstar has provided The Federal Government and Large Government Primes with top-of-the-line information technology services and solutions.


Joanna Alexis

President and CEO

As Founder and CEO of Navstar, Joanna Alexis leads the efforts to define and shape the organization’s mission, vision and values. Joanna founded Navstar after extensive experience successfully delivering solutions in the commercial information technology sector.

Joanna led the organization’s entry into the capture of Navstar’s first prime and multiple sub-contracts within the Intelligence Community, teaming with partners such as Lockheed Martin, SRA, General Dynamics and Deloitte, among others. Through Joanna’s visionary leadership and strategic management style, she has assembled an executive team focused on attracting and retaining top talent; continuing to make Navstar a successful, growing enterprise poised to expand and thrive.

Lorri Zell

chief financial officer

Lorri Zell joined the Navstar team in the fall of 2017. Lorri creates, directs and implements strategies and day-to-day operations of Finance, Accounting, Facilities and Contracts. Lorri has over 20 years of experience in accounting, information technology and finance directing the ongoing improvement of financial processes and practices. Her expertise includes effective planning, budgeting, forecasting and the creation, analysis and dissemination of financial and operational metrics and information to support organizational success.

Prior to joining Navstar, Lorri served as the Chief Financial Officer at Pherson Associates in Reston, VA where she effectively implemented new technologies to enable Pherson Associates to operate virtually and internationally. Lorri also successfully created a new strategic direction and financial plan for Globalytica, a subsidiary of Pherson Associates. Lorri holds a Bachelor of Science in Business with a major in Accounting and a concentration in Computer Science. She began her professional career as an Auditor and Accounting Information Manager, and went on to become the founder of Zell Business Systems Consulting.

Beth Schiebler

Vice President
Federal Partner Solutions

Beth Schiebler joined Navstar as a member of its executive team in late 2010 in the role of Vice President of Corporate Accounts. Since then she has been promoted to VP Federal Partner Solutions, with overall responsibility for teaming strategy, execution upon award and successful delivery for all of Navstar’s subcontract business with our teaming partners such as Leidos, CSRA, Lockheed Martin, Raytheon, Praxis, General Dynamics and many other large government contractors.

With more than 20 years of IT consulting services experience, Beth is continuously improving delivery and quality of life for Navstar customers and employees via a tireless effort and focus on quality and performance.

Beth’s experience includes working in both the public and private sectors in the areas of operations management, business development, service delivery, product development and recruiting. She has played an integral role building experienced staffing delivery teams, developing repeatable solutions and launching software products.

Prior to joining Navstar, Beth owned and operated an IT consulting company focused on data warehousing and business intelligence. In 2009, an International consulting organization acquired her business and we welcomed her to Navstar.

Mark Longworth

Vice President
Mission Systems

Inventor, software developer, security expert, systems engineer, and intelligence officer: Mark Longworth has demonstrated his versatility and ingenuity in his 30 years of professional experience in and around the Intelligence Community. In each of his careers, Mark demonstrated a proven ability to apply systems engineering techniques to quickly dissect and solve vexing problems facing his customers and his organizations. Be it organization, software, technology, or personnel, Mark has consistently succeeded at solving problems with inventive approaches.

In January 2001, Mark formed Forensics Explorers as a vehicle to market and advance his patented invention: the NetWitness software. Mark served as Forensics Explorers’ General Manager until its sale to ManTech International. In May of 2005, Mark joined Tenacity Solutions as their Chief Scientist. Mark provided information security and enterprise architecture consultations to the CIO and operational elements of the Intelligence Community. Mark led mobile device security testing software firm Shevirah Inc. as CEO from 2015-2016. In October 2017, Mark joined Navstar as Vice President of Mission Solutions.

Mark holds a Bachelors of Science in Electrical Engineering from Texas A&M University and a Masters of Science in Information Security from Norwich University.

Steven Johnson

Vice President
Financial Systems and Law Enforcement

A recognized financial, operational and business development leader, Steve has more than 20 years of broad-based general financial/operational management experience translating vision into execution and end results.

Edified through ten years of public accounting experience as a Price Waterhouse, Deloitte & Touche and Williams, Adley & Co., financial professional, from 2000 to 2002 as Director of Operations, Steve lead the revitalization of an ailing government contractor through game-changing turnarounds leading to improved corporate culture and workplace health resulting in renewed client and external service provider trust and commitment.

In December 2002, Steve co-founded Invizion, Inc. As Chairman/CEO, he lead operations and strategic direction with full responsibility for bottom-line factors, including long-range planning, corporate infrastructure and policy, identifying/procuring projects, reviewing services and evaluating performance. He generated millions of dollars in new growth by identifying clear, high growth vertical market segments and winning big contracts in these areas. His expertise is envisioning and institutionalizing advanced operational and business development processes and methods to quickly move the organization to a higher capability and overall client satisfaction.

Brad Sussman

Recruiting Manager

With over a decade of recruiting experience, Brad Sussman has proven himself to be an integral part of our Navstar team. Brad joined Navstar in the fall of 2016 as our Recruiting Manager, and has led our organization in the acquisition of the industry’s most recruited talent.

Brad brings a very diverse range of capabilities and experience to the Recruiting Industry. He has had extensive success working with a variety of small, mid-sized, and large firms in both government and private sectors. As a graduate from Marymount University with a Master’s Degree in HR Management, Brad brings an unparalleled perspective to recruiting. Combining his HR background with years of recruiting experience, Brad has personally designed and implemented recruiting strategies for multi-million dollar corporations. Through Brad’s exceptional leadership and unmatched recruiting style, he has aided Navstar in assembling a recruiting team rehearsed in obtaining the industries best.

Executive Advisory Board

Navstar maintains a diverse, distinguished, dynamic group of very accomplished government and business executives on its EAB.

Joanna Alexis formed the Executive Advisory Board (EAB) for the purpose of utilizing their significant experience and to provide insight and guidance to the executive management team in the development and execution of Navstar’s strategic plan.

“Leadership and learning are indispensable  to each other.“ — John F. Kennedy

“If your actions inspire others to dream more,  learn more, do more and become more, you
are a leader.“ — John Quincy Adams


Mr. Fox is currently serving as the Interim Executive Director for the Helping Children Worldwide Board of Directors while the Board finalizes the selection of a permanent Executive Director.

Mr. Fox supported the Computer Science Corporation (CSC) as a Senior Principle Business Developer. Mr. Fox’s role was to link the Intelligence Community’s needs and requirements to CSC’s unique set of business offerings and innovative technical solutions.

Mr. Fox co-founded and served as the President/Chief Executive Officer of Tenacity Solutions Incorporated from 2003 until 2014. Mr. Fox came to Tenacity Solutions from Creative Technologies Inc., where he served as the Director of Administrative Programs. Prior to Creative Technologies Inc., Mr. Fox served as Co-Founder and Director of Network Engineering at Communications Technology Exchange. Mr. Fox began his professional career upon graduation from the Citadel as a Technical Security Officer at the Central Intelligence Agency where he held various positions in technology and management areas.

Mr. Fox, Tenacity Solutions’ Co-Founder and President, is a visionary leader and entrepreneur with strong Intelligence Community and technology experience in enterprise information assurance across many technology segments. Mr. Fox has extensive international and domestic experience in operations and mission support. Mr. Fox has a proven ability to rapidly assimilate Intelligence Community trends and strategically integrate those trends into products, services, and functional areas of organizations.

Mr. Fox was awarded a Bachelors Degree in Mathematics and Computer Science from the Citadel, the Military College of South Carolina in 1984 and also graduated from the OPM-39 program at Harvard Business School in 2011.


As the President and CEO of Preferred Systems Solutions, Mr. Goss currently oversees and supports all facets of the PSS organization and sets the strategic direction of the company. His reputation within the National Capital Area as an outstanding Information Technology manager led CM Equity Partners to seek his expertise when they acquired PSS in 2007. Since joining PSS, Mr. Goss has made significant improvements to the corporate infrastructure, while strengthening PSS’ bottom line through acquisitions and organic growth. Previously, Mr. Goss has served as a consultant to various companies ranging in size from $5M to over $1B in the areas of Mergers & Acquisitions, Strategic Planning, Finance, Accounting, Operations, and Business Development. In addition, he has held executive management roles with such government contractors as General Dynamics and Dataline, Inc.

Michael P. Harden

Mr. Harden has over 42 years of progressive business management and leadership experience, with 25 at the CEO/President level. He built and ran Fiserv Federal Systems, a $60 million division of a Fortune 500 Company, as well as founded Century Technology Services and Cytivity Corporation. He has also held key positions with Citicorp Information Resources, BancTec, and Sterling Software. Mr. Harden has been featured in esteemed newspapers and magazines including The Wall Street Journal and the New York Times, TV news programs including CNN’s Money Line, and is frequently interviewed on news radio programs. He has testified before several Congressional Committees, advised Senators and Congressional Representatives on emerging technology issues, and consulted with business and government leaders around the world. Currently, he coaches CEOs in the greater DC area.


Formerly, Mr. Hyde enjoyed 29 years in government, serving as a senior Executive in DoD, the IC and the CIA, with extensive experience in Policy, Strategy, Management, Operations and Technology. He served in a variety of senior positions, including Deputy Under Secretary of Defense for Intelligence and Security (DUSDI), the Senior Customer Representative for IQT, and other positions at CIA. Beyond his work at the University, Mr. Hyde serves on the Board of Directors and Advisory Boards of several companies involved in technology, defense and intelligence.


Ms. Isham is the Chairman and CEO of Strategic Connections and Solutions. She has spent more than 30 years in the Intelligence community for the federal and private sectors. Isham has held executive management roles with such government contractors as BAE, High Performance Technologies and L-1 Identity Solutions. Currently, she is a member of the Director of National Intelligence Advisory Board, the Board of Trustees of Analytic Services, the Board of Directors of the Hertz Foundation and the CIA Officers Memorial Foundation.


Mr. Merritt retired after a 30-year career in the Directorate of Science and Technology (DS&T) in the Intelligence Community. His record of accomplishment as a senior program manager includes the fields of space, airborne and ground based intelligence collection and processing. He has deep experience in signals intelligence, imagery intelligence, space communications systems, and systems engineering across the full life cycle of program management with an emphasis on acquisition, systems engineering and resource management. In 2015, the DS&T recognized Mr. Merritt for demonstrating the essential attributes of the directorate: deep technical expertise, disciplined program management, and responsiveness to mission.

Prior to joining the Intelligence Community Mr. Merritt spent nearly 9 years at the Hughes Research Laboratories in Malibu, CA. Initially he was responsible for developing real-time process control software to control Electron Beam Lithography systems used to fabricate advanced integrated circuits. His last position at the Labs was Program Manager for DARPA’s Very High Speed Integrated Circuit (VHSIC) Electron Beam Lithography Development Program.

Mr. Merritt has a B.S. degree in Computer Science from California Polytechnic State University, San Louis Obispo, CA and a M.S. degree in Systems Engineering from George Washington University, Washington, DC.


Mr. Wilhelm recently retired as an Executive Vice President at Booz Allen Hamilton where he led the firm’s business with the U.S. Intelligence Community. Previously, he led the firm’s Analytics business. He was also a member of the Booz Allen Executive Management Committee. Mr. Wilhelm joined Booz Allen in 1998 and became an Executive Vice President in 2009.

Prior to joining Booz Allen, he had a 29-year career in government as a military intelligence officer and civilian appointee, including Executive Director for Intelligence Community Affairs during the Clinton Administration and service on Vice President Al Gore’s national security staff, where he was responsible for intelligence, counterterrorism, and a range of global national security issues. As a U.S. Navy officer, he co-directed the Joint Intelligence Center for Iraq during Operation Desert Storm and was the first director of information warfare at the National Security Agency. He had numerous overseas command and shipboard assignments while in the Navy. He has testified before Congress, was a member of two Defense Science Boards, and is a member of the Markle Task Force on National Security in the Information Age and is a member of the Advisory Board for the Maxwell School of Citizenship and Public Affairs at Syracuse University.

Mr. Wilhelm has a B.A. degree in Russian studies from Syracuse University and performed graduate work at Georgetown University. He is a distinguished graduate of the Naval War College and graduated with distinction from the Defense Language Institute’s advanced Russian language course.

Wayne Wilkinson

Wayne Wilkinson Mr. Wilkinson is an accomplished leader with substantial experience leading defense, intelligence, and technology organizations through periods of rapid growth and development. A government contracting veteran with nearly two decades of experience, his expertise spans all areas of strategic planning, corporate development and business operations. Currently the President and CEO of Nedac, Mr. Wilkinson has also held key positions with Data Technologies & Analytics LLC, Harding Security Associates Inc., Athena Innovative Solutions Inc., L-3 Communications, and Pearson Analytic Solutions. His industry involvement includes MissionLink, AFCEA International, Association for Corporate Growth, ExecutiveBiz’ 4×24 Cyber Group, Intelligence and National Security Alliance, Potomac Officers Club and Professional Services Council. He has also served on the board of advisors of Arrowpoint Corp., Information Experts and Dozier Technology Inc.