Otto Sieber

Otto Sieber, PMP, PMHC, currently serves as an Analyst - Principal, Chief of Staff for DASD at Modern Technology Solutions, Inc. since December 2023. Sieber has extensive experience in the defense sector, including roles as a Real Estate Investor at Capsicum Real Estate since August 2018, and a Senior Associate at Toffler Associates from March 2022 to November 2023, where oversight of a contract team supporting the Defense Threat Reduction Agency was key. Prior positions include Senior Policy Analyst at CACI International Inc., Executive Officer at Naval Air Station Fallon, and Deputy Director at the United States Naval War College, emphasizing strategic planning and operational leadership. Sieber's foundational career in the US Navy involved roles as a Naval Officer and Aviator, complemented by a Master's degree in Security Studies from the Naval Postgraduate School and a Bachelor's degree in Civil Engineering from the University of Arizona.