HK CONNECT · 2025ON STAGE
Seven topics. The audience decides.
An interactive AI keynote for around 100 IT leaders. We planned three topics. With the organisers’ approval, we covered five.
HI, I’M MARC KROLL.Vienna, Austria · German & English
I build with AI.
And bring people along.
Tools that solve real problems. Workshops that make things click.
A community that learns by doing. Here’s what that looks like.
HK CONNECT · 2025↗
0:29A QUICK INTRODUCTION
What I’d bring to the Codex community.
SHORTA QUICK THOUGHT
Can AI agents handle your routine tasks?
BUILDER & EDUCATOR56-member AI learning communityTwo hackathon podiumsWorkshops in DE & EN
SELECTED WORK
From “what if” to working tools.
Some practical. Some experimental.
All started with a question.
BUILT WITH CODEX
A self-evolving website
Visitors submit ideas for tools. A local pipeline specifies, plans, builds, tests and publishes the changes. I developed the idea with GPT; Codex built the project and its structure.
The toolkit is available. The local Mac mini pipeline is currently offline.
1ST PLACE · LOVABLE HACKATHON
Cutmap & Beard Map
A photo becomes a plan for your next haircut: guards, lengths, zones and stopping points, with style previews to help you choose. Later extended to beards.
2ND PLACE · HACK-NATION
Sensei
Our team built a browser agent that learns how people work. Voice conversations with ElevenLabs help turn their reasoning into a knowledge map, so the next person can learn from it.
MY OWN WORKFLOW
Teleprompter
A tool I built for writing scripts and reading them on camera. It supports scenes, adjustable scrolling and voice tracking. I used it to prepare my introduction above.
More about the app
A browser-based editor and reading surface with script import and export, formatting, scene transitions and playback controls. Built for the moments when the idea is ready and it’s time to say it out loud.
More small apps, websites and experiments.Explore my public GitHub ↗
THE THINGS I SHARE
Experiments. Conversations.
A few things worth passing on.
Videos, demos and notes from the community.
Open a card to watch or read the original.
PODCASTAI in everyday work
A podcast conversation about operations, technology and simplifying daily work.
CODEX MEETUPHands on with Codex Micro
My highlight from an OpenAI Codex meetup: a little device for a very different way of working.
CODEX MEETUPBuilding beyond the browser
A Codex meetup story about a terrace, a mother and what becomes possible when you start asking.
AI EXPERIMENTCan AI read handwriting?
An early GPT-4 Vision experiment with handwritten text.
AI EXPERIMENTA train ticket, through AI’s eyes
Testing GPT-4 Vision with a Deutsche Bahn ticket.
CODEX PETSA small companion for a coding session
Exploring the desktop pet and the updates it shares while Codex is working.
PRACTICAL DEMOMaking expense reports easier
A German-language demo exploring travel expense reporting with GPT-4.
AI EXPERIMENTMenu, meal, tip. Meet vision.
An early experiment with GPT-4 Vision in an everyday restaurant scenario.
ATLASA closer look at Atlas
Sharing a look at ChatGPT’s browser and its possibilities.
BUILDING IN PUBLICA longer run with Codex
What a task running for over an hour looks like in my own building workflow.
SHARED OPENAI UPDATEFollowing advances in voice AI
An OpenAI update I shared while exploring what better voice models make possible.
IN THE ROOM
Good technology.
Better when shared.
Helping people understand what’s possible,
then giving them the confidence to try.
Building AI literacy at Doxis
I led an internal AI Competence Center with 56 members at Doxis, formerly SER Group. Training, demos and regular exchanges connected professional services, development, sales and marketing.
We covered tokens, caching, prompting, limitations and hallucinations. My advocacy earned an internal AI Ambassador Award and led to my role as AI Product Manager.
Teaching across backgrounds
Digital strategy and AI workshops for teachers at IBM. Customer workshops as a Solution Engineer and Solution Architect. Workshops and presentations as an AI Product Manager.
Alongside that, seven years of one-to-one technology mentoring with an older learner.
Learning together in Bangkok
I helped facilitate an Authority Hackers workshop in Bangkok. Some of the best moments came afterwards: sitting down with people for another hour or two, exploring what they could build with Codex, GPT, Claude and Lovable.
LET’S MAKE SOMETHING USEFUL.
Have an idea?
I’d love to hear it.
A workshop, a project, a conversation.
There’s usually a good place to start.