Working at the intersection of strategy & implementation.


Bill Hyjek

Co-founder & President

Bill has 30 years of experience working on national security issues in various roles. Initially, he served in the United States Army for ten years. After his military service, Bill managed legislative initiatives as staff in the United States Senate and supporting Department of Defense acquisition organizations. Moreover, his expertise extended to leading the Department of Homeland Security since its inception, where he specialized in critical infrastructure protection, incident management, stakeholder engagement, and technology programs.

As President and CEO, Bill's extensive background in national security and vision for building a best-in-class organization were instrumental in bringing OTHSolutions to life. Currently, Bill leads our business development activities and oversees contract implementation.


Nabeela Barbari

Executive Vice President

Nabeela has over 16 years of experience in national security, specifically in counterterrorism, infrastructure and cyber security, field operations, and budget and procurement management. Most recently, Nabeela served as a Director at the White House National Security Council, focused on National Capital Region security and cyber critical infrastructure public policy. During her tenure at the DHS Cybersecurity and Infrastructure Security Agency (CISA), Nabeela notably served as Associate Chief of CISA Policy and Deputy Associate Director of Strategy and Resources for the Cybersecurity Division.

As Senior Advisor to the Secretary at the DHS Office for Civil Rights and Civil Liberties, Nabeela advanced national policy and operations. She accomplished this by working closely with state and local governments, community-based organizations, and law enforcement agencies. Currently, Nabeela leads the charge in driving strategic growth and ensuring the successful delivery of services at OTHSolutions.


Serena Reynolds

Vice President, Growth

With nearly two decades of experience with the Department of Homeland Security (DHS), Serena brings extensive expertise in strategic policy and planning, emergency communications, and infrastructure risk management. At the DHS Cybersecurity and Infrastructure Security Agency (CISA), Serena most recently served as a senior leader within the National Risk Management Center (NRMC), leading teams and overseeing programming around supply chain risk management, bio-economy, and connected communities.

Serena advanced state, local, and tribal interoperability within CISA's Emergency Communications Division. Additionally, she has led several teams through organizational change and growth on behalf of the Department. At OTHSolutions, Serena leads our Infrastructure Security portfolio.


Amanda Van Hooser

Vice President, Operations

Amanda Van Hooser is an experienced government consultant with expertise in federal strategy and IT consulting. Amanda brings exceptional proficiency in program, people, and financial management. With nearly 25 years of professional experience, her background includes over a decade of supporting federal clients, as well as experience in journalism, public relations, and a 4-year service in the Army. Amanda graduated from the University of Missouri with a bachelor’s in journalism and a master’s in media management. Additionally, she holds a Project Management Professional certification.