Gunnar Gestsson is a seasoned Business Central technology leader based in Sauðárkrókur, Iceland, with roots in Navision development stretching back to 1995 and nine years of focused recent experience. As Business Central Technology Manager at ORIGO and long-time Microsoft partner consultant, he blends deep product knowledge (Dynamics NAV/Business Central), SQL and systems administration skills with hands-on DevOps contributions to high-profile Microsoft repos like BcContainerHelper. Gunnar’s open-source work includes improving containerized app workflows and cryptography-related AL extensions, showing a practical focus on multitenancy, app lifecycle and core security features. Beyond engineering, he brings governance and community leadership from decades of board roles and Microsoft MVP-level public speaking and teaching. That mix of low-level systems expertise, modern container/PowerShell tooling, and local civic leadership makes him especially effective at bridging operational realities and strategic platform adoption.
9 years of coding experience
22 years of employment as a software developer
Advanced Unix and Internet Security, Advanced Unix and Internet Security at Háskóli Íslands
IT Professional, Developer for Microsoft Dynamics NAV, IT Professional, Developer for Microsoft Dynamics NAV at Microsoft Certified
HP-UX System Administrator, HP-UX System Administrator at Hewlet Packard Certified
Informix System Administrator, Informix System Administrator at IBM Informix
Certified Board Member, Governance, Certified Board Member, Governance at Akademias
Official Microsoft repository for BcContainerHelper, a PowerShell module, which makes it easier to work with Business Central Containers on Docker.
Role in this project:
Backend & DevOps Engineer
Contributions:8 commits, 5 PRs, 28 comments in 1 year 4 months
Contributions summary:Gunnar primarily contributed to the `BcContainerHelper` PowerShell module, focusing on improving app handling and container operations. They modified the `Compile-AppInNavContainer.ps1` and `UnPublish-NavContainerApp.ps1` scripts, adding new features and addressing existing issues. Their work included adding support for multitenant applications and modifying parameter handling. The changes also involved removing checks and updating the codebase.
Repository for collaboration on Microsoft AL application add-on and localization extensions for Microsoft Dynamics 365 Business Central.
Role in this project:
Backend Developer
Contributions:8 commits, 2 PRs, 14 comments in 2 months
Contributions summary:Gunnar's commits primarily involve modifications to code related to cryptography management within the `microsoft/alappextensions` repository. These changes include adding, updating, and refactoring codeunits related to the RijndaelManaged class. The user appears to be implementing or modifying features related to encryption, decryption, and key management, indicating a focus on core functionality. The contributions span multiple commits, which suggests significant effort in this area.
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Gunnar Gestsson - Business Central Technology Manager at ORIGO