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Tribalco’s leadership team is committed to uncompromised support of our customers, partners, and employees. We believe in leading by example, and our words and actions are guided by our values.

Tribalco Chief Executive Officer Kevin Moss

Kevin Moss

Chief Executive Officer

With over thirty years of operational and management experience, Mr. Moss approaches business challenges with an intrinsic knack for innovation, creative problem-solving, and risk assessment, which drives outstanding customer experiences and shareholder returns.

Mr. Moss is co-founder, CEO, and a member of the Board of Managers of Tribalco. As Chief Executive, he oversees Tribalco’s strategic direction and is responsible for corporate governance. Mr. Moss earned a bachelor’s degree in finance and economics from Boston University’s School of Management and a law degree from the University of Baltimore. He is an active supporter of numerous local and national charities.

Tribalco President Andrew Stern

Andrew Stern


Mr. Stern is highly regarded for his creativity and entrepreneurship, process-oriented focus, and commitment to building deep, long-term customer relationships.

Mr. Stern is co-founder, President, and a member of the Board of Managers of Tribalco, where he oversees the company’s executive management team. Mr. Stern has a history of successfully leading enterprises from concept to mature operational status. He received an MBA from Emory University and is a graduate of the University of Wisconsin.

Tribalco Executive Vice President Joseph Castro

Joseph Castro

Executive Vice President and General Manager of Sales and Operations

A dynamic sales leader, Mr. Castro leverages his strategic and technical insights to drive Tribalco’s business initiatives, optimize its sales processes, and expand its global footprint into new markets and geographies.

Mr. Castro has over 20 years of experience in the defense and government services marketplaces and has been with Tribalco since 2008. As Executive Vice President and General Manager of Sales and Operations, Mr. Castro oversees the company’s business development and operations teams across the globe. His leadership style and industry expertise have enriched Tribalco’s quality of service and enhanced the company’s ability to integrate new technologies and adapt to rapidly changing customer landscapes. Mr. Castro received a BBA in management information systems from the University of Hawaii.

Tribalco Chief Financial Officer Marc Tommer

Marc Tommer

Chief Financial Officer

A hands-on Chief Financial Officer (CFO), Mr. Tommer brings a proven record of strong fiscal leadership to Tribalco. He leverages over 35 years of financial and accounting experience to shape, refine, and drive Tribalco’s financial vision and growth strategies.

As Tribalco’s CFO, Mr. Tommer oversees the company’s finance, accounting, procurement, and corporate IT functions. He is a Certified Public Accountant and holds a Bachelor of Science degree in accounting from the University of Maryland, College Park.

Patricia Hale Becker

General Counsel and Chief Compliance Officer

Ms. Becker is an industry-respected legal counsel with extensive experience in complex business operations, organizational transformation, intellectual property support, and government contracting. Throughout her career, Ms. Becker has provided legal support to government contractors and technology and services firms across diverse sectors. She has a history of success in devising and implementing solutions that streamline operations, enhance efficiency and compliance, and minimize risk by drawing on her corporate and government experiences.

Ms. Becker currently serves as Associate Editor for the ABA Public Contract Law Journal and the Budget & Finance Officer for the ABA Public Contract Law Section. Ms. Becker received her Juris Doctorate from Washington & Lee University School of Law and a Bachelor of Arts degree in Government & International Relations from the University of Notre Dame. She is a member of the Pennsylvania and Virginia Bars.

Our Values

  • Integrity
  • Respect
  • Excellence

Living Our Values

Grounded in ethics. Guided by our values.

Tribalco is unique among our competitors because of the strength of our partnerships, our uncompromising commitment to quality, and our adherence to the core values of integrity, respect, and excellence.

Our values are embedded in everything we do. Tribalco’s business operations, actions, and relationships are held to the highest ethical standards. Our actions are guided by our operating principles and our values of integrity, respect, and excellence. Our values define how we interact with our customers, partners, suppliers, and employees and help us maintain enduring relationships.

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