About Terrestris, LLC
Our Leadership

Alex Horti
CEO & Founder
Alex Horti is the CEO and Co-founder of Terrestris, LLC. He earned his B.S. in Homeland Security and his MBA from the University of Maryland. He is a service-disabled veteran of the United States Marine Corps where he served in support of Operations Iraqi Freedom in 2005 and 2007 and Operation Enduring Freedom in 2011. Mr. Horti is a government contracting professional, an active small business industry partner, and an accomplished entrepreneur with a successful career that spans more than 15 years. Mr. Horti has supported Government Contracts as an industry partner both CONUS and OCONUS focusing on Program Management, Training, Operations, Human Resources, and Business Development.

Lucas Berg
President & Co-Founder
Terrestris, LLC President and Co-founder Lucas Berg is a SHRM Senior Certified Professional with a Bachelor’s degree in Business Administration and a concentration in Human Resources Management (Fort Hays State University). He is a 20-year veteran of government contracting with a focus on Human Capital; Systems Engineering and Technical Assistance; Architecture, Engineering & Construction (AEC); and Program Management on CONUS and OCONUS work for the Federal Government. Mr. Berg is an established industry expert and serial entrepreneur. He is also a published author, speaker, and trainer. Mr. Berg is a Charter member of the Association of Talent Acquisition Professionals.

Yalena Raben
Director of International Operations and Program Management
WHERE WE WORK
Rooted in the USMC values of Honor, Courage and Commitment. Terrestris seeks to deliver extraordinary values to the American people by helping the Government become more efficient and effective.
Global Horizon Group (GHG) is a Service-Disabled Veteran-Owned Small Business (SDVOSB) joint venture comprised of Terrestris, LLC and OTHSolutions, Incorporated.
GHG offers a unique and complimentary blend of technical and domain expertise that enable our national security clients to solve their toughest challenges. GHG is singularly focused on providing best-in-class personnel and tailored problem-solving approaches which most effectively operationalize strategy and deliver results.