Johannes Grosen

Minneapolis, Minnesota, United States

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Summary

🤩

Rockstar

🎓

Top School

Johannes Grosen is a strategic IT leader and seasoned technologist with over two decades of experience designing reliable, scalable infrastructure and leading diverse technical teams. He co-founded IDfusion, holds a US patent for Autonomous Introspection on device security, and has presented at venues like the DARPA HCSSC and the Linux Security Summit, reflecting a deep commitment to information security and research. Johannes blends hands-on systems expertise—from Unix/Linux system administration to storage, networking, and DR planning—with architecture-level work guiding university cloud and data center strategy. His open-source contributions to prominent binary-analysis projects such as angr and Driller show practical backend and DevOps skills in security-focused tooling. Colleagues describe him as a thoughtful manager who mentors talent and pushes teams toward DevOps-driven agility while staying curious about emerging security technologies.

13 years of coding experience

28 years of employment as a software developer

MS, Computer Science, MS, Computer Science at Minnesota State University Moorhead

BA, Speech Communications, BA, Speech Communications at University of Minnesota

High School Diploma, High School Diploma at Big Sandy High School

BA Speech Communications, Speech Communication and Rhetoric, BA Speech Communications, Speech Communication and Rhetoric at Concordia College

Danish

Github Skills (19)

python10

redis10

control-flow-graph10

binarydiff10

flask-ask10

type-system10

control-flow10

angr10

flask10

celery9

reverse-engineering9

automations8

automation8

front-end-development8

security8

Programming languages (16)

C++CRustCoqTeXGoHTMLKotlin

Github contributions (5)

angr/angr-management

Aug 2014 - Nov 2015

The official angr GUI.

Role in this project:

Back-end Developer

Contributions:128 commits, 2 PRs, 3 pushes in 1 year 3 months

Contributions summary:Johannes primarily focused on implementing back-end features for the angr-management GUI. Their work included adding functionality for uploading binaries, creating new projects, and listing existing projects. Further contributions involved integrating the angr program analysis library, and adding support for visualizing the Control Flow Graph (CFG) and the Data Dependency Graph (DDG) from the analysis. The user also improved functionality by integrating a function renaming feature.

program-analysisangrgui

angr/angr

Jul 2014 - Jul 2017

A powerful and user-friendly binary analysis platform!

Role in this project:

Back-end Developer

Contributions:122 commits, 2 pushes, 1 branch in 3 years 1 month

Contributions summary:Johannes contributed to the `angr/angr` repository, a binary analysis platform. Their commits focused on adding type support, which included implementing a type system for symbolic variables within the project. This involved modifying files related to variable representation, project structure, and procedure handling within the framework. These changes are likely to improve the accuracy and expressiveness of the analysis capabilities.

pythonbinary-analysisanalysisuser-friendlyangr

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