Rüdiger Kohl

We had the pleasure of working with Mr. Kohl for several months and would like to expressly praise his outstanding skills in Excel and especially Power Query. With his in-depth knowledge and professional approach, Mr. Kohl made a significant contribution to ensuring that our data analyses were carried out precisely and efficiently. He successfully integrated and prepared complex data from various sources, which allowed us to save valuable time. His expertise in Power Query was particularly impressive, enabling us to significantly improve and automate our data processes. His work is always characterized by the highest precision and punctuality. Furthermore, he knows how to explain complex technical contexts in an understandable way, which made the collaboration very pleasant and productive. We are extremely satisfied with the performance of [Freelancer Name] and recommend him without reservation.

Communication: friendly and goal-oriented. Understood the request, even when I didn't use the exact right terms. Competence: Excellent. Goal achieved. Quickly and helpfully conveyed important understanding and his perspective. Constructive solution proposals and simplifications. Implementation: Fast, reliable, and conscientious. Strong response times and uncomplicated coordination.