[1] A native of Umeå, Västerbotten, Ågren began playing drums at a young age, eventually joining forces with Mats Öberg in 1981.

Ågren later shared the drummer's seat with Terry Bozzio on Dweezil and Ahmet Zappa's band AZ/DZ's album Shampoohorn.

and the Grammy Award-winning Goodbye Sweden in addition to his international performances with Zappa's Universe and with Mats Öberg in Mats/Morgan Band.

Described as a sound experience, the 4-minute 35 mm short-film Lullaby for Lost Souls showcases him in "a free-form Stereo Dolby drum explosion".

Ågren is also highly recognized by fans of extreme and heavy music for his studio performance on Fredrik Thordendal's solo album, Sol Niger Within, released in 1997.