Dirk Stollberg is a German voice actor, musical performer, and entrepreneur, born on April 16, 1979, in Bielefeld, Germany. He initially trained as a bank clerk before pursuing his passion for the performing arts, studying musical theater at the Stella Academy in Hamburg from 2001 to 2002 and later at the Joop van den Ende Academy in Hamburg from 2003 to 2006. His early career was rooted in musical theater, with performances in major productions such as Mamma Mia! and Die Schöne und das Biest (The Beauty and the Beast) at theaters in Berlin and Oberhausen.

Stollberg transitioned into voice acting, building an extensive career dubbing foreign-language films and television series for the German market. He is widely recognized for his work in anime, where he provides the German voices for numerous prominent characters. A significant early anime role was Raki in the series Claymore. He is also the German voice of Gunzou Chihaya, the protagonist of the Arpeggio of Blue Steel franchise, appearing in the series Ars Nova and the film Ars Nova DC. In the Tokyo Ghoul series, he voices the eccentric gourmet Shuu Tsukiyama, and he brings to life the complex antagonist Mahito in Jujutsu Kaisen. His extensive anime filmography includes roles such as Satoshi Oosugi in the Eden of the East films, Fubuki Sumiye in Beyblade Burst Turbo, Hugan in Tiger & Bunny 2, Mikleo in Tales of Zestiria: Dōshi no Yoake, Sukari in Kabaneri of the Iron Fortress: The Battle of Unato, Tatara Totsuka in K: Missing Kings, Greg in Appleseed XIII, and Ajit and Lync Volan in the Bakugan franchise.

Beyond anime, Stollberg has lent his voice to a wide array of characters in live-action series and films. Some of his most notable work includes Artie Abrams in Glee, James Diamond in Big Time Rush, Rittersporn (Jaskier) in The Witcher, and Dr. Casey Parker in Grey's Anatomy. His film dubbing work includes roles in Shang-Chi and the Legend of the Ten Rings, Black Swan, and Pitch Perfect.

In addition to his voice acting career, Stollberg is an entrepreneur and the managing director of SynchronDe GmbH. Around 2013, he developed and launched the Synchron App, a tool designed to help voice actors manage their appointments, production details, fee statements, and bookkeeping. The app, which also includes an interface for reporting to performance rights organizations, has gained around 1,500 users in Germany. Stollberg married fellow voice actor Michael Ernst in 2019.