Tonya Sitko
Chief Executive Officer, HSG

Tonya Sitko has more than two decades of executive experience in pivotal roles across the defense, space, and technology sectors, bringing a systems-level approach to operational transformation, regulatory compliance, and scalable enterprise growth.
HSG’s clients include NASA, the U.S. Department of Interior, and the Environmental Protection Agency, and state/local water authorities. Under Mrs. Sitko’s leadership, HSG has expanded its role as a trusted partner in energy efficiency planning, spaceport planning, National Environmental Policy Act (NEPA) documentation, regulatory permitting, environmental remediation, and occupational health and safety support. These services underpin mission success for clients operating in high-risk, high-stakes environments - including launch operations at Kennedy Space Center and the U.S. Space Force’s Cape Canaveral Spaceport.
Prior to HSG, Mrs. Sitko served as Deputy Chief Financial Officer at SMX and held senior roles at Trident Technologies and GaN Corporation. Her career includes extensive programmatic leadership on critical Army modernization and Department of Defense initiatives.
Mrs. Sitko holds a BS in Computer Information Systems and Economics from the University of North Alabama and an MBA in Information Systems from the Florida Institute of Technology, both summa cum laude. A respected leader known for aligning mission execution with enterprise discipline, Mrs. Sitko is a strong advocate for data-driven operations, environmental resilience, and the integration of regulatory excellence into national security and space programs.