Leadership Team

Juan Sims / President and CEO

Juan Sims

Juan Sims is a Management and IT Consulting professional with over 20 years of military and federal agency experience. He provides cutting edge thought leadership supported by inter-disciplinary best practices to help improve clients' daily performance and results. He ensures Leaders receive a full spectrum of tools/techniques to seamlessly integrate people, processes, policies, and technology in order to successfully achieve stated organizational goals.

Juan and his team are guiding USFS to become the premier mid-tier IT and Management consulting firm that government organizations call on FIRST to solve the hard problems while delivering results on time and within budget. He leads with the following values:

  • People: Be a great place to work where people are inspired to be top performers and are the architects of their career
  • Portfolio: Bring to all agencies a portfolio of high value, management consulting services that anticipate and satisfy their needs
  • Partners: Cultivate a winning network of strategic business partners, together we create mutual enduring value
  • Planet: Be a responsible citizen that makes a difference by helping build and support sustainable communities
  • Productivity: Be a highly effective, lean, and fast-moving organization

Juan is a decorated veteran of the U.S. Army. He received his B.S. from Furman University and holds several certifications to include PMP, Lean Six Sigma Black Belt and Agile.

Greg Cambareri / Executive Vice President

Greg Cambareri

Greg is a management consulting executive and entrepreneur with over 25 years of experience supporting federal government agencies and Fortune 500 companies. At U.S. Federal Solutions (USFS) Greg is responsible for setting company direction, developing strategic goals and growth objectives with a focus on business transformation solutions for defense and civilian missions.

Greg has extensive experience providing subject matter expertise in strategic planning, financial management, performance management, and IT modernization. Greg has successfully led multiple multi-vendor programs across the Department of Defense and Department of Homeland Security and has been recognized for his outstanding contributions to program successes.

Prior to joining U.S. Federal Solutions Greg provided entrepreneurial and business transformation support in opening new technology offices in London, Zurich, and Madrid.

Greg received his MBA from Duke University, MS in Geophysics from North Carolina State University, and BS in Physical Sciences from Western Carolina University. Greg is also a certified Project Management Professional (PMP).

Michael Case / Director of Talent Acquisition

Michael Case

Michael Case is a seasoned Talent Acquisition leader with over 23 years of experience. At U.S. Federal Solutions Michael is responsible not only for leading talent acquisition, but he is also responsible for overall employee engagement.

He is energized to find new and emerging talent pools to strengthen diversity hiring outcomes and create equitable career pathways for all talent. He is passionate about increasing talent capabilities.

He has over 20 years of experience in talent acquisition, human resources, people operations and personnel management. Driven by curiosity, he has a strong passion for innovation and unique approaches to employee engagement.

Michael is entrusted with maintaining the happiness of employees, whether it be through creating a work environment employees look forward to, perks, or compensation.

Additionally, Michael has supported federal programs in the areas of Information Technology, Cyber, and Intelligence supporting cleared opportunities for DOJ, DoD, DIA, Military, DHS, & other Federal Government agencies. He also has experience in Business Development and Account Management.

Natashia Hunter / Operations Manager

Natashia Hunter

Natashia has over ten years of successful human capital and administrative experience to include subject matter expertise in organizational effectiveness, workforce analysis and optimization, employee training, as well as performance appraisals and awards.

Natashia supports our efforts in hiring the best talent, developing our employees, and optimizing performance with an emphasis on employee engagement, workplace improvement, and reinforced accountability through performance reviews - all while preparing our workforce for future needs.

Natashia is a veteran of the United States Army where she served as a division paralegal and cadre of The Judge Advocate General’s Legal Center and School Judge Advocate Officer Basic Course.  Natashia deployed to Afghanistan in support of Operation Enduring Freedom and was nominated for the Sergeant Eric L. Coggins Award of Excellence.

Natashia is currently pursuing a Bachelor of Science in Business Administration from Liberty University with a major in Business Management.

Michael Appleton / VP of Business Development

Michael is a results-driven leader with over 20 years of experience transforming public and private sector service firms into high-performing organizations with sustainable, long-term growth. With a proven track record in securing and managing complex, multi-million-dollar government programs, Michael brings expertise in Enterprise IT Modernization, Cybersecurity, Data Analytics, Financial Systems Modernization, Business Transformation, and Acquisitions.

At U.S. Federal Solutions (USFS), Michael leads the growth team and is responsible for developing and executing strategic goals.  In addition, Michael aligns core capabilities and strong partnerships with an array of prime contract vehicles to meet the needs of the Federal clients we serve. 

Before joining USFS, Michael held several C-Level roles within the government contracting industry and founded a healthcare consulting firm, which was successfully sold. Michael holds a B.A. in English from The Citadel.

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