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ABOUT ITERATEC

Brave, independent, ready for the next transformation

We are iteratec

Our founding idea is still manifested in our name today. With the ambition to develop software technologies iteratively, Klaus Eberhardt and Mark Goerke founded the Gesellschaft für iterative Technologien in 1996. Revolutionary then and in retrospect groundbreaking for agile methods and values used worldwide.

We have been developing individual software systems and digital products that are used by around 10 million people every day since. As experts in software development, we have a unique understanding of future digital technologies, opening up technical and business opportunities for our customers that will make a difference years down the road.

As a team, with our customers and partners, we trial and prove bold ideas that make an impact. We turn organizations into digital champions.

iteratec at a glance

500

staff members across seven sites

> 350

customers in 30 years

97 %

customer satisfaction rate

10 Mio

people use our apps every day

62.5 Mio

Euro revenue in 2025

> 1,000

successfully completed projects with provable business impact for our customers

This is our company

As an owner-managed company, we are free from the influence of third parties. This shapes the way we think and act and is inevitably part of our corporate culture. In order to preserve this in the long term, our founders decided on the only logical step in terms of succession: the gradual handover of the company to the employees. We are all owners and the success of the company is in our hands: This motivates us every day anew to develop ourselves and our customers into digital champions.

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We always wanted to implement exciting projects and offer the best environment to people with exceptional talents. These are the people that we would like to hand over our company to. I am proud that our colleagues share our founding vision and will lead iteratec into the future as owners.

Klaus Eberhardt, founder iteratec GmbH

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Our management

For over 30 years, iteratec has been supporting clients through periods of technological upheaval. Our management team is carrying on this legacy with foresight and a clear focus on people, now with an eye to the challenges that the age of AI poses for organisations.

The management team consists of Stefan Rauch, Michael Schulz, Alexander Youssef and Tessa Pfattheicher.

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Stefan Rauch

Stefan Rauch has been managing director of iteratec GmbH since 2021. As an expert in digital innovation, he is dedicated to the central challenge of creating environments in which technologies have a high business impact and open up new growth potential. In addition to technological issues, this particularly concerns the necessary cultural change and the design of leadership in the context of complex change projects.

Michael Schulz

Michael Schulz

Michael Schulz has been managing director since 2017. He came from Capgemini sd&m and, together with his team, established the iteratec location in Hamburg. Since then, he has been passionate about the continuous development of iteratec and its employees – always with the aim of finding the best solution for current problems and future challenges faced by customers. People are always at the center of his focus – whether it's expanding the team's technological expertise or strengthening the corporate culture through joint dialogue and daily actions.

Alexander Youssef 

Alexander Youssef 

Alexander Youssef has been managing director of iteratec GmbH since 2022. The trained business administrator has more than 20 years of experience in finance and has held various management positions in the software and IT sector, including at Amazon, Capgemini, and Horváth & Partners. As commercial director, he drives the further development of financial processes and is responsible for company-wide accounting, project controlling, and contract law.

Tessa Pfattheicher

Tessa Pfattheicher

Tessa Pfattheicher has been managing director of iteratec GmbH since April 2026. A computer science graduate, she initially joined iteratec as a software developer in 2018, subsequently overseeing numerous transformation projects. Regarded as a leading expert in AI-driven software development, she is also the author of a specialist book on the use of GenAI in software projects. As a bridge-builder between technology and organisation, she heads up the AI Transformation division. In this role, she supports the transformation of iteratec, as well as that of our clients.

Diversity

For us, diversity means enrichment and the opportunity to adopt different perspectives. We want to create a working environment characterized by diversity and equity, in which every person feels safe and secure, has the opportunity to realize their full potential, and thus successfully advance our company. With more than 500 colleagues from 25 countries working at iteratec across all generations, we are proud of our employee networks, women@iteratec & proud@iteratec, and fully support their commitment. The principles of the Charta der Vielfalt are guidelines that we actively integrate into our daily actions so that we always maintain our mission to create an inclusive and respectful working environment.

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Social commitment: Digital solutions for a worthwhile world

We firmly believe that digital technologies can help us overcome the most pressing challenges facing our society. Through social@iteratec, we aim to play our part in harnessing the potential of digitalisation across all areas of society.

Our social apps

We support projects and initiatives in various charitable and social sectors by doing what we do best – creating good software. As part of pro bono projects and joint entrepreneurial initiatives, we develop digital solutions for a good cause, such as:

APPzumArzt

Together with the Felix Burda Foundation and the Assmann Foundation for Prevention, iteratec has developed a health prevention app, thereby raising awareness of preventive healthcare measures.

More about the APPzumArzt app

Translaid

This non-profit application, developed at iteratec SLAB, helps people with refugee and migrant backgrounds to overcome language barriers and reduces the workload for volunteers.

Read the blog post

For more information, visit translaid.orgFor more information, visit translaid.org -

cheqpacs

This free app enables consumers to use a barcode scanner to check how sustainable and environmentally friendly certain types of packaging are. The aim is to promote the responsible use of packaging.

More about the app at cheqpacs.comMore about the app at cheqpacs.com -

SCIARA

SCIARA is a scientific online game designed to help people better understand the impacts of climate change and climate protection measures. The application is a joint project involving various companies and public institutions.

More about the app at sciara.deMore about the app at sciara.de -

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