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Welcome to the WHU CustomGPT Makerthon!

Step into the forefront of innovation at the WHU Campus Düsseldorf on April 27th, 2024, for a transformative experience where programming prowess meets the cutting edge of AI development. The WHU CustomGPT Makerthon invites innovators, and forward-thinkers to collaborate, create, and customize their very own AI models. This event promises a deep dive into the world of prompt engineering and CustomGPT, providing a platform for both learning and applying the latest in generative AI business appliance.

Event Details

Location:      WHU Campus Düsseldorf 

Date:           April 27th, 2024

Duration:     9:00 AM - 8:30 PM

Your hosts:  Profesor Stefan Spinler / Hamidreza Hosseini

Makerthon Program

Part 1

09:00 - 09:30Arrival
09:30 - 10:00

Welcome and Introduction (Stefan & Hamid) 

  • Brief introduction of the hosts and experts/coaches 
  • Overview of the day's schedule and objectives of the Makerthon 
10:00 - 10:45

Part 1 Guide: Build Your Own CustomGPT 

  • Prompt engineering foundations within neural networks
  • Model capabilities and prompt-strategies
10:45 – 11:00Break
11:00 – 12:00

Part 2 Guide: Build Your Own CustomGPT 

  • Building professional instructions, retrieval augmented generations (RAGs) and fine tuning by prompt engineering
  • Actions and function calling using no-code apps as an example 
12:00 - 12:30

Team Formation and Project Start 

  • Pitch: Individual ideas 
  • Team formation based on interests & ideation 
12:30 – 13:15Lunch Break


Part 2

13:15 - 15:00

Project Start: Model Development Phase 

  • Initial phase: Idea generation and planning 
  • Starting the project work and work planning 
  • Teams retreat to work on their GPT models 
  • Experts available for consultation and support 
15:00 - 15:15Break
15:15 - 16:00

Finalizing and Preparing Presentations 

  • Teams finalize their GPT models, pitch decks or landing pages. 
  • Preparing for the final presentations 
16:00 - 17:00Team Presentations and Feedback from Jury 
17:00 - 17:15Conclusion by Stefan & Hamid
17:15 - 17:30Pause
17:30 - 19:00Roundtable & External Speakers
19:00 - 20:30Get-together & Networking

Please note: the day program is only open to current WHU MBA students.

Key Takeaways

  1. Custom AI Creation: Build your own CustomGPT model under the guidance of experts.

  2. Prompt Engineering: Learn the fundamentals of designing effective prompts for neural networks.

  3. No-Code Solutions: Explore no-code applications to bring your GPT models to life.

  4. Collaboration: Team up with like-minded individuals to brainstorm and develop projects.

  5. Expert Insights: Gain valuable feedback from a panel of experts and jurors.

  6. Networking: Connect with industry leaders and AI enthusiasts during a dedicated networking session.

Join us to be part of an epic day where code meets creativity, transforming ideas into AI realities. We can't wait to see what you'll create!

Ready to Make Your Mark?

The WHU CustomGPT Makerthon is more than an event—it's the start of something big. Whether you're a seasoned AI beginner or an AI enthusiast, this is your chance to contribute to the AI revolution. Spots are limited, so secure your place today and let's build the future together!

Please note: the day program is only available to WHU MBA students. All others are welcome to join the evening networking!

Your hosts

Professor Stefan Spinler
Professor Stefan Spinler
Hamidreza Hosseini
Hamidreza Hosseini

Our speaker

Dr. Wolfgang Runge
MD Accenture Operations
The central role in Dr. Wolfgang Runge's career has always been defined by the relationship between humans and technology. This fascination led him to the Navy, where he learned firsthand about the interaction between technology and human aspects on a warship. His PhD in cybernetic pedagogy allowed him to create a bridge between these areas. His enthusiasm for technology and curiosity about people have consistently played a key role in his professional positions, whether as a manager in human resources, labor director, advisory board member, or CEO. He focuses on exploring technological possibilities and their impacts on society and individuals. Currently, Dr. Runge is completing a project at Accenture before he moves on to new challenges.
Guido Appenzeller
Andreessen Horowitz
Guido Appenzeller is a special advisor to Andreessen Horowitz, a Silicon Valley venture capital firm. He was previously CTO for Intel’s Data Platforms Group, overseeing technical direction. Before Intel, he was Chief Product Officer at Yubico, focusing on product development and strategy, and earlier, CTO, Cloud & Networking at VMware, where he contributed to NSX becoming a $1B product line. Guido co-founded Big Switch Networks (acquired by Arista) and Voltage Security (acquired by HP), serving as CEO and CTO respectively. His accolades include a Test of Time Award from SIGCOMM, being named to the MIT TR35, and recognition as a Technology Pioneer by the World Economic Forum. Guido was also named one of the 100 Most Intriguing Entrepreneurs by Goldman Sachs. He holds a Ph.D. from Stanford University and an M.S. from the Karlsruhe Institute of Technology.
Edip Saliba
Edip Saliba is an experienced Data & AI Sales Leader, specializing in machinery, pharmaceuticals, and the public sector. Previously at Microsoft, he handled product management, skilling, and sales, and before that, he served as a management consultant and program manager, overseeing projects in telecommunications, energy, and IT. He develops digital marketing and sales programs that generate awareness and demand in international markets, utilizing marketing automation and analytics. Saliba leads over 150 team members across multiple workstreams and advises on sales, marketing, and service projects. In his personal time, he is committed to continuous learning through reading and courses, enjoys sports, and appreciates music.
Ibrahim Halil Kalkan
Gelsenwasser AG
Mr. Ibrahim Halil Kalkan serves as the Department Head of Organization at Gelsenwasser AG, overseeing AI initiatives and possessing extensive experience in developing and implementing organizational strategies. He specializes in introducing and establishing modern technologies and methodologies, managing change processes, and ensuring legal compliance. Throughout his career, he has led significant organizational projects, including the introduction of New Work and digitalization approaches. In addition to his role at Gelsenwasser, he has served as a lecturer at FOM University of Applied Sciences for Economics and Management and as a Managing Consultant at Horváth & Partners, focusing on the utilities and financial industries sectors.

In cooperation with:


We recommend that you set up an account on the website https://chat.openai.com/ if you wish to try out individual prompts during or after the seminar. In principle, you can use the account for free. This may come with some limitations to consider, such as performance or access restrictions.

If you want uninterrupted usage, we recommend activating the paid version "ChatGPT Plus" in your account. For this, you will need a credit card.

In advance, you can look at some prompt examples under the link: https://platform.openai.com/.

To do this, simply use the access data from ChatGPT, with which you also get access to the OpenAI platform.

Under the section Examples: https://platform.openai.com/examples, you will find various examples of prompts and fields of application.

For more details on the advancements in GPTs, check out the official OpenAI website via this link: Introducing GPTs at OpenAI. Here, you'll find in-depth insights and updates straight from the development team: https://openai.com/blog/introducing-gpts.

In addition, under the section Playground: https://platform.openai.com/playground, you can try out different prompts and, among other things, test the models or variables.

Furthermore, in your OpenAI platform account, under https://platform.openai.com/docs/guides/completion, you will find documentation and an initial basic guide for prompt design.

The location

WHU Campus Düsseldorf
WHU – Otto Beisheim School of Management
Erkrather Straße 224a
40233 Düsseldorf
WHU Campus Düsseldorf