Preston B.
Director of Workforce AI Security @ Microsoft | US Army Innovation Lead (MAJ) | International Speaker
San Antonio, Texas, United States
Career path.
MicrosoftDirector - Workforce AI Security - Solutions Architecture
Jun 2026 - Present- United States Army Reserve
Innovation Officer - Team Lead
Nov 2022 - Present - Amazon Web Services (AWS)
Security Practice Manager
Apr 2023 - May 2026 - Amazon Web Services (AWS)
Senior Security Consultant
Sep 2022 - Apr 2023 - Amazon Web Services (AWS)
Security Consultant
Dec 2019 - Sep 2022 - United States Army Reserve
Counter Intelligence (CI) Officer - Field Office Lead
Feb 2019 - Mar 2023 - USAA
Information Security Advisor (IAM and AppSec)
Nov 2018 - Dec 2019 - USAA
Software Developer and Integrator (Cyber Security Engineering)
Nov 2017 - Nov 2018 - United States Army Reserve
ACE Signals Intelligence (SIGINT) Officer - Section Chief
Oct 2017 - Jan 2019 - U.S. Embassy in San Salvador
Forward Deployed Analyst - Defense Attaché Office
Nov 2016 - Oct 2017 - USAA
Software Developer and Integrator (Cyber Threat Application Integration)
Jul 2016 - Nov 2017 - USSOCOM
Special Intelligence Operator
Aug 2015 - Jul 2016 - United States Army Reserve
Battalion S2
Dec 2014 - Aug 2015 - USAA
Software Developer and Integrator (Enterprise Security and Fraud Applications)
Jul 2014 - Jul 2016 - USAA
Software Developer and Integrator (Security Applications)
Jun 2013 - Jun 2014 - United States Army Reserve
Multi-Functional Team Leader
May 2013 - Dec 2014 - Lawrence Livermore National Laboratory
Cyber Security Analyst
May 2012 - Jul 2013