Stefan Kraatz, the owner, was born and raised in Braunschweig and has been living and breathing music all his life. 
After graduating, he studied sound engineering in Berlin, founded a music label and set up his first home studio. During this time, he built a large network within the music industry, performed as a DJ in Berlin, and toured Europe with various well-known artists. Stefan has worked as a high-profile audio engineer at various well-known studios for more than 20 years. In 2020, he finally founded his own studio: Kraatz Studios GmbH.

Raised in Oldenburg in northern Germany, Florian has spent more than two decades working across the full spectrum of advertising: from film production and post production to agency, always curious to understand the other side. He brings deep expertise in managing complex productions, a sharp eye for process, and a genuine passion for sustainable ways of working. Before joining Kraatz Studios in 2026, he held creative producer and green consultant roles at well-known companies in Berlin's creative industry, building a broad network along the way. At Kraatz Studios, Florian steps in as a reliable Senior Audio Producer keeping projects on track and clients happy.

Growing up in Berlin, Jonas Mantey naturally developed an interest for the citys infamous electronic music scene. After a couple of releases he started touring Europe as a live act and DJ besides still being in Highschool. After graduating he continued this journey while consistently growing his skills as a music producer and sound designer. In early 2021 Jonas joined Kraatz Studios as the engineer of the newly built „Studio B“ to meet the Studios growing popularity.

Also known as yunis, is a music producer and studied audio engineer from Northern Germany, with deep roots in Hamburg’s bass music scene. Specializing in halftime beats and leftfield bass, he has made a name for himself as both a DJ and live act, touring across Europe and North America. In addition to his live performances, Jonas founded his own label in 2023 and works as a composer and sound designer since 2010. He is the newest member of Kraatz Studios, where he continues to explore innovative soundscapes and contribute to various projects.

Born and raised in Berlin, Sandra has always had a thing for numbers—and a knack for making them work. With more than two decades in payroll and financial accounting, she brings experience spanning industries and businesses of every size, from newly founded ventures to established companies. After starting her career at a tax firm, she moved in-house to help shape businesses from the inside, building accounting structures and supporting companies as they grew. At Kraatz Studios, Sandra brings precision, perspective, and a warm Berlin spirit to the team, keeping the numbers in check so creativity has room to run.

Born in Brandenburg as a real “Botzensteiner” miniature dachshund. Since the beginning of Kraatz Studios, the dachshund lady has been guarding the studio rooms and welcomes every guest with joy. She puts a smile on everyone's face and lifts everyone's spirits. Lotta has a lot of experience in sound design and has already lent her bark or growl to several productions.