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Charting Future Successes Today


About Us

Global Horizon Solutions is a 8(a) and Economically Disadvantaged Woman-Owned Small Business (EDWOSB) joint venture comprised of Ellos Global and OTHSolutions, Incorporated. We offer a unique and complementary blend of technical and domain expertise that enable our national security clients to solve their toughest challenges.


Global Horizon Solutions is singularly focused on providing best-in-class personnel and tailored problem-solving approaches which most effectively operationalize strategy and deliver results.


OTHSolutions is led by principals who have worked in DHS since 2003 and are currently managing 15 active contracts within the Cybersecurity and Infrastructure Security Agency, Federal Emergency Management Agency as well as the Office of the Secretary. 

Ellos Global is a management consulting firm providing clients with customized business strategies, solutions, and results. We bring expertise and ingenuity to your program and cater to each of our client’s specific needs, ensuring your organization
is well represented.


Our Services


Strategy Development

Work with a diverse range of stakeholders to build coalitions and ensure best-in-class industry standards. Capabilities include strategic alignment and planning; concept of operations; policy and congressional affairs; and more.


Program & Project Management

Design innovative, results-oriented, and practical solutions that can easily adapt as influencing factors evolve. Services include business process engineering, performance management, knowledge management, meeting design and facilitation, strategic communications, and more.


Infrastructure & Security Resilience

Build resilience, mitigate risk, and enhance security capabilities across the critical infrastructure community. We achieve this through risk management and resilience; sector partnership frameworks; and federal, state and local grant programs.


Preparedness & 
Incident Planning

Develop plans and advance operations related to all-hazards preparedness and management. Key elements include continuity of operations; preparedness assessment and planning; and exercise design and execution.


Organizational Management

Optimize alignment between mission, programmatic work-streams, and resources. This is achieved through change management; human capital operations and training; and administrative and operations support.


Workforce & Business Operations

Our team boasts subject matter experts (SMEs) in the areas of business transformation, strategic planning, stakeholder engagement, employee engagement and retention, human capital and performance management, and more.

Meet the Team

Working at the intersection of strategy and implementation.

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Managing Director

Olga Argüello

Olga Argüello’s career highlights include public service at the White House, various positions in the Executive branch, Senior Consultant for IBM Global Business Service, and Managing Director of Ellos Global, a management consulting firm she founded in March 2012. 

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Hector Argüello, ESQ.

Hector oversees all operational aspects across the firm in addition to executive duties including legal, management and strategy – to ensure that short and long term operations remain functioning and meet business standards.

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Bill Hyjek

Bill has 30 years of experience working on national security issues in a wide variety of roles. As President and CEO of OTHSolutions, his experience in national security and vision for a best-in-class organization brought OTHSolutions to life.

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Nabeela Barbari

Nabeela has over 16 years of experience working in national security, specifically in counterterrorism, infrastructure and cyber security, field operations, and budget and procurement management. 

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Administrative Management and General Management Consulting Services


Other Management Consulting Services 


Professional and Management Development Training 


Human Resources Consulting Services


Marketing Consulting Services


Public Relations Agency


Convention and Trade Show Organizers


Process, Physical Distribution, and Logistics Consulting Services

Get in Touch

13611 S. Dixie Hwy., #372

Miami, FL 33176


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