HEXAGON - Key Persons


Andre' Leassear

Job Titles:
  • Vice President, Security Solutions

Barbara Stevens

Job Titles:
  • Retired CIA Executive
Barbara Stevens is a retired CIA executive who previously led numerous groups of data scientists and analysts who developed innovative and advanced analytic approaches across CIA's mission, infusing data-driven value into analysis going to the US policy community. Barbara is also an independent Director at Charles Stark Draper Laboratory Inc, a Senior Fellow with the Foreign Policy Research Institute, and an Advisory Board Member of the Center for Cyber and technology Innovation.

Becky Harris - CFO

Job Titles:
  • Chief Financial Officer

Cathey Sullivan

Job Titles:
  • Director of Human Resources & Talent Acquisition

Chris Bellios - COO

Job Titles:
  • Chief Operating Officer
Chris Bellios has served as COO of Hexagon US Federal since April 2018. Following his military service with the United States Marine Corps and his time working as a civilian for the CIA and NGA, Chris joined the private sector to continue supporting US defense and intelligence customers in their missions. Chris is an active member of the Intelligence and National Security Alliance (INSA) Advisory Committee, a founding member of the United States Geospatial Intelligence Foundation (USGIF) and continues to provide thought leadership to government customers and industry partners through these organizations.

Chris Reichert - Chief Strategy Officer

Job Titles:
  • Chief Strategy Officer

David R. Shedd

David R. Shedd served the United States for 33 years in the intelligence and national security communities. At his retirement from government service in early 2015, he was the Acting Director of the Defense Intelligence Agency (DIA) following four years of service as DIA's Deputy Director. Throughout his career, he held a variety of senior management assignments at the Central Intelligence Agency. Mr. Shedd also served as the Director of National Intelligence (DNI) Deputy Director for Policy, Plans, and Requirements and as Chief of Staff to the Director of National Intelligence. Prior to that, he held key intelligence policy positions at the National Security Council (NSC) and was posted overseas for nine years in the U.S. Embassies in Costa Rica and Mexico. Mr. Shedd is currently is a Distinguished Fellow at the Heritage Foundation, an Adjunct Professor at Patrick Henry College teaching national security and intelligence. He holds a B.A. degree from Geneva College in Pennsylvania and a M.A. degree from Georgetown University's School of Foreign Service.

Elliott Ferguson

Job Titles:
  • Vice President, Geospatial Solutions

Liz Tribelli

Job Titles:
  • Vice President of Operations

Patricia Bahr

Job Titles:
  • Vice President, Contracts & Purchasing

Paul Mirel

Job Titles:
  • Luke Lowe Co - Authored a New Paper in the AIP Review of Scientific Instruments Detailing the Balloon - Borne Instrument, PIPER
Paul Mirel and Luke Lowe co-authored a new paper in the AIP Review of Scientific Instruments detailing the balloon-borne instrument, PIPER.

Rob Mott

Job Titles:
  • Vice President, Communications

Russ Holder

Job Titles:
  • Senior Vice President, Lifecycle

Ryan Morrison

Job Titles:
  • Director of Geosystems

Sasha Gaynair

Sasha Gaynair selected as Consulting Women Leaders in Technology 2022 award winner. Sasha is an honoree in the category of Excellence in Client Services.

Tammer Olibah - CEO, President

Job Titles:
  • Chief Executive Officer
  • President
In addition to serving on the Board of Directors, Mr. Olibah is Chief Executive Officer of Hexagon US Federal. Prior to leading Hexagon US Federal, Mr. Olibah spent a decade enabling significant growth for Booz Allen Hamilton's information technology and cybersecurity business lines. Mr. Olibah also spent over eight years serving in various management positions for sales, consulting and technical delivery, and alliance development at both Pacific Northwest National Laboratories (PNNL) and SAIC. He is a proud graduate of George Mason University (GMU) and is a member of the GMU Cyber Security Engineering Industry Advisory Board.

Yunhui Zheng

Job Titles:
  • Sigma Space Team Members
Sigma Space Team members Yunhui Zheng, Cody Huber, and Peter Dogoda designed, built, and delivered a telescope in support of Arizona State University's SPARCS project to understand the impact of stars in exoplanets