Christopher Ortiona: Email & Phone Number

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Director of Programs - Sierra Space Defense at Sierra Space|Denver Metropolitan Area, United States

Position:

Director of Programs - Sierra Space Defense at Sierra Space

Location:

Denver Metropolitan Area, United States

View Christopher Ortiona's Email

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Last updated: 2026-05-21

Updated: 2026-05-21

Found email addresses for Christopher Ortiona:

Business emails:

c*****************a@sierraspace.com

Personal emails:

c******a@aol.com

Found phone for Christopher Ortiona:

+1-***-***-6363

A different Christopher Ortiona?

Work Experience 28 years

Director of Programs - Sierra Space Defense at Sierra Space

Mar 2024 - Current

USSF & USSPACECOM Component Planning and Implementation Lead - Technical Advisor at United States Department of Defense

Jan 2023 - Mar 2024

Chief of Staff for Combined Joint Task Force - Space Operations (CJTF-SO) at U.S. Space Command

Jul 2021 - Mar 2024

Army Space Operations Officer at US Army

Jan 2012 - Mar 2024

Infantry Officer at US Army

Jan 1998 - Mar 2024

Chief of Staff at National Space Defense Center (NSDC) and Joint Task Force-Space Defense (JTF-SD)

Jan 2020 - Jan 2021

Chief Operations Officer / Director, Force Development / Deputy Director, NSDC at National Space Defense Center (NSDC) and Joint Task Force-Space Defense (JTF-SD)

Jan 2019 - Jan 2020

Operations Officer, 1st Space Brigade at U.S. Army Space and Missile Defense Command

Jan 2017 - Jan 2018

Deputy Director of Space Forces at U.S. Central Command

Jan 2016 - Jan 2017

Exam Proctor at Purdue University College of Engineering

Jan 2014 - Jan 2017

Program Director, Special Missions Office / Division Chief, G32 at U.S. Army Space and Missile Defense Command

Jan 2015 - Jan 2016

Standards and Evaluation Branch Manager, Training and Exercise Division at U.S. Army Space and Missile Defense Command

Jan 2014 - Jan 2015

Commanding Officer, 4th Space Company, 1st Space Brigade at U.S. Army Space and Missile Defense Command

Jan 2013 - Jan 2014

President at Army Space Professionals Association Rocky Mountain Chapter

Jan 2014 - Jan 2015

Space Capabilities Integration Officer, Strategy and Plans Division at Army Deputy Chief of Staff, G-3/5/7

Jan 2009 - Jan 2012

Commanding Officer, B Co, 21st Infantry Regiment, 2nd Brigade at 25th Infantry Division

Jan 2005 - Jan 2007

Christopher Ortiona started working in 1998, then the employee has changed 10 companies and 15 jobs. On average, Christopher Ortiona works for one company for 3 years 9 months.

Their professional focus is Acquisition Integration, Artificial Intelligence (AI), and Astrodynamics across 3 core areas.

Education

Master of Science - MS at Dwight D. Eisenhower School for National Security and Resource Strategy

Master of Science - MS at Naval Postgraduate School

Bachelor of Science - BS at Rochester Institute of Technology

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