Hilton Giesenow
Founder at Experts Inside AG
Cape Town, Western Cape, South Africa
Summary
👤
Senior🎓
Top SchoolHilton Giesenow is a veteran Microsoft-focused technologist and founder with 25+ years in IT and 12 years of hands-on experience building products and consulting on Microsoft 365, Teams, SharePoint and Azure. A 12-time Microsoft MVP, he blends deep architecture and performance tuning skills with product leadership—founding ChitChattr to deliver Teams-native apps like TeamMate and contributing front-end SSO and UX improvements to prominent open-source repos such as the pnp/teams-dev-samples. He leads the South African arm of Experts Inside AG and has a long history of running specialist consultancies, helping organisations translate strategy into usable collaboration experiences. Based in Cape Town, Hilton pairs public speaking and community leadership with pragmatic engineering, often surfacing small UX fixes and authentication refinements that materially improve enterprise Teams adoption.
11 years of coding experience
6 years of employment as a software developer
Bachelor of Business Science, Information Systems, Bachelor of Business Science, Information Systems at University of Cape Town
Stackoverflow
10,427reputation
421kreached
663answers
24questions
azure-active-directory
top-5%
microsoft-graph-api
top-5%
azure
top-5%
Github Skills (28)
ss10
javascript10
single-sign-on10
spfx10
file-browser10
css10
typescript10
authentication10
user-authentication10
ui-design10
uid10
front-end-development10
typescript-types10
html10
microsoft-teams10
Programming languages (9)
Github contributions (5)
pnp/teams-dev-samples
Nov 2020 - Jan 2021
Microsoft Teams sample applications and related content https://aka.ms/teams-samples
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:30 commits, 3 PRs, 9 comments in 1 month
Contributions summary:Hilton primarily contributed to the front-end development of Microsoft Teams sample applications, specifically focusing on Single Sign-On (SSO) functionality within the `pnp/teams-dev-samples` repository. They modified HTML, JavaScript, and CSS files to implement and refine the user interface and authentication flow, including adjustments to the `authPopup` and `ssoDemo` pages. The user also updated the `jwt-decode` library and integrated it into the `ssoDemo.js` to extract and display token data, and fixed an invalid path.
microsoft-teamsms-teamsoffice365microsoft-graphazure
pnp/sp-dev-fx-property-controls
Jul 2022 - Nov 2022
Reusable SPFx property pane controls - Open source initiative
Role in this project:Front-end Developer
Front-end DeveloperContributions:15 commits, 8 PRs, 8 comments in 3 months
Contributions summary:Hilton primarily contributed to the front-end aspects of the project, specifically within the context of SPFx property pane controls. Their commits focused on fixing typos, correcting icon URLs, and enhancing the file picker component. They also addressed issues related to sorting and display, particularly in the file browser and tiles list views. Furthermore, the user made adjustments to the UI, modifying item labels and file information displays across various components.
spfxinitiativepanereusable
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.