Marco Rosenberg is a German voice actor recognized for his extensive work in dubbing anime series and films. His career spans voice acting for numerous characters, as well as work behind the scenes as a dialogue writer and dubbing director. Rosenberg has lent his voice to a wide variety of roles across different genres, contributing to the German-language versions of popular anime.

Rosenberg has portrayed several notable characters. He is the voice of Tomoki Sakurai across multiple entries in the Heaven's Lost Property franchise, including the original series, Heaven's Lost Property Forte, and the OVA Project Pink. In the action series My Hero Academia, he voices the student Koji Koda, also known as Anima. He took on the role of the villainous Touichirou Suzuki in Mob Psycho 100 II. His other prominent roles include Kazuya Soma in How a Realist Hero Rebuilt the Kingdom, Shu Iura in Horimiya, Susumu Kurose in A.I.C.O. -Incarnation-, Leslie Blanc in Deep Insanity: The Lost Child, and Hayato Matsūra in the film Josee, The Tiger and the Fish.

Beyond these, his filmography includes a wide array of other characters. He voices Licht in Black Clover, Iwabee Yuino in Boruto: Naruto Next Generations, Hachirotarou Ookami in Blue Exorcist, and Jade Scrade in I May Be a Guild Receptionist, But I'll Solo Any Boss to Clock Out on Time. His repertoire also features roles in major long-running series such as Machvise in One Piece, Sajin Komamura in Bleach: Thousand-Year Blood War, and Rengokuki in InuYasha, among many others.

In addition to his on-screen voice work, Rosenberg is active in the production side of dubbing. He has worked as a dubbing director and scriptwriter for numerous German adaptations. His credits in this capacity include the hit series Solo Leveling, Horimiya, Bungo Stray Dogs, Why Raeliana Ended Up at the Duke's Mansion, and Calamity of a Zombie Girl. Rosenberg has been involved in the industry for over 35 years and has also authored a novel. He is a guest at anime conventions, where he participates in panels discussing voice acting and dubbing production.