Don Freed is a seasoned CTO and enterprise architect with over two decades of experience designing and delivering IT service management, enterprise management, and virtualization solutions for large organizations. He has held senior architecture and leadership roles at BMC, CA, Atos, and i²tsm, blending hands-on systems work with program-level project management and ITIL-driven governance. Don brings deep expertise across availability, incident/change/configuration management, and security, including experience with major EM platforms (BMC, CA, HP, IBM) and VMware. Uncommonly for an executive, he remains a practical backend contributor—his GitHub work includes fixes to the widely used GATK bioinformatics toolkit, improving variant-calling and alignment correctness. Based in Newport, NC, he pairs a Master’s in IT Management with a history of military-equivalent electronics and networking training, giving him both academic and operational grounding. Colleagues rely on him to translate complex infrastructure and compliance requirements into resilient, measurable service outcomes.
10 years of coding experience
15 years of employment as a software developer
Coursework required for Novell CNE. Including various software and LAN-related courses, Coursework required for Novell CNE. Including various software and LAN-related courses at Gateway Community College
Coursework required for a Military Equivalent to Associates degree in Electronics., Coursework required for a Military Equivalent to Associates degree in Electronics. at College of Lake County
Masters Degree, Information Technology Management, Masters Degree, Information Technology Management at Fort Jones University
Official code repository for GATK versions 4 and up
Role in this project:
Back-end Developer
Contributions:6 commits, 17 PRs, 22 comments in 3 years 2 months
Contributions summary:Don primarily contributed to the GATK codebase, focused on improving variant calling and analysis pipelines. They addressed issues related to VCF header lines in MuTect2, ensuring the correct data types. Further contributions involved correcting gVCF header lines and fixing several AlignmentUtils issues to ensure accurate read alignment. They also addressed a subtle bug regarding the behavior of getNextReferenceVertex.
Example Dockerfiles for use with the Sentieon software
Contributions:13 commits, 1 PR, 16 pushes in 3 years 9 months
dockerfilessentieonsentieon-docker
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