---
title: "Resume Carl-Uwe Würfel – COO & Chief AI Officer"
description: "Resume of Carl-Uwe Würfel: IT apprenticeship, CTO, Head of Marketing, COO since 2018 and Chief AI Officer since 2023 at SUMAX in Dortmund, Germany."
url: https://carl-wuerfel.de/en/resume
author: Carl-Uwe Würfel
---

1. [Home](https://carl-wuerfel.de/en)
  2. Resume

# Resume

Carl-Uwe Würfel is COO and Chief AI Officer at SUMAX in Dortmund, Germany. He has led operations since 2018 and the company-wide AI transformation since 2023: workflows, roles, services and governance. He writes about AI transformation from an operator’s seat, with a focus on mid-market companies and agencies.

Name: Carl-Uwe Würfel

Based in: Dortmund area, Germany

Contact: [info@carl-wuerfel.de](mailto:info@carl-wuerfel.de) · [LinkedIn](https://www.linkedin.com/in/carl-uwe-wuerfel/)

As of: November 7, 2026

## Experience

  1. since 2023

### Chief AI Officer, SUMAX

Reknova GmbH, Dortmund, Germany

Leads the company-wide AI transformation: priorities, new roles and workflows, training, and the rules for quality, cost and compliance.

Source: [Employer, LinkedIn](https://www.linkedin.com/in/carl-uwe-wuerfel/)

  2. since 06/2018

### Chief Operating Officer, SUMAX

Reknova GmbH, Dortmund, Germany

Overall operational leadership as a member of the management team: planning, cost, utilization, processes and quality. Full people responsibility from hiring to development, pricing and proposal strategy together with the head of sales. Also responsible for marketing.

Source: Employer, kress (German media industry directory)

  3. 01/2016 – 05/2018

### Head of Marketing, SUMAX

Reknova GmbH, Dortmund, Germany

Source: Employer

  4. 01/2014 – 12/2015

### CTO, Innower

Start-up brand of Reknova GmbH, Dortmund

Technical lead of a small team; websites and software tools for clients in Germany and abroad.

Source: Employer

  5. 06/2013 – 11/2013

### Web Developer, C2Call GmbH

Werl, Germany

Source: Employer

  6. 08/2010 – 06/2013

### Apprenticeship, IT Specialist for Application Development (IHK), C2Call GmbH

Werl, Germany; Chamber of Industry and Commerce (IHK) Arnsberg

Germany’s dual vocational training: three years in the company and at vocational school, with a final exam before the Chamber of Industry and Commerce (IHK).

Source: IHK certificate

## Education and training

  1. 2025

### Distance program in business leadership, afw Wirtschaftsakademie Bad Harzburg

Coursework completed in 2025: all four modules (organization, leadership responsibility, project management, objectives and control).

Self-reported: Graded assignments

  2. 11/2023 – 05/2025

### Business Specialist in Marketing (IHK), preparatory program, ILS

State-approved program for the German IHK business specialist qualification, 866 hours, final grade 1.3 (very good); chamber exam pending.

Source: ILS certificate, May 27, 2025

  3. while at Reknova

### Certified vocational trainer (AEVO)

Germany’s qualification to train apprentices in a company (AEVO).

Self-reported: IHK

  4. School

### Technical college entrance qualification (Fachhochschulreife), business track; state-certified IT assistant

Vocational colleges, Soest, Germany

Self-reported: Certificates

## Certificates, languages, publications

### Certificates

  * **LinkedIn Marketing Strategy, Content and Creative Design, Marketing Solutions Fundamentals** 2025
  * **SEO Professional Certificate, German Association for the Digital Economy (BVDW)** 2022

### Languages

  * **German (native), English**

### Publications and press

  * [**KI-Sichtbarkeit messen: Warum deine deutsche Frage englische Quellen bekommt** AFS-Magazin (Akademie für Fortbildung in SEO), October 15, 2026](https://www.afs-akademie.org/magazin/ki-sichtbarkeit-messen/)
  * [**Wie KI das Geschäft von SEO-Agenturen revolutioniert** W&V, September 20, 2023](https://web.archive.org/web/2024/https://www.wuv.de/Themen/KI-Tech/Wie-KI-das-Geschaeft-von-SEO-Agenturen-revolutioniert)

[About](https://carl-wuerfel.de/en/about)[Short bios](https://carl-wuerfel.de/en/press#bios)