Lasse-Marc Riek (born 1975 in Germany) uses field recording as a means to capture and explore acoustic ecology, bioacoustics and soundscapes. He has been working internationally since 1997, organising exhibitions and concerts, releasing recordings and giving lectures and workshops.
His performances have taken place in galleries, art museums, churches and universities.
Among them are Museum für Kommunikation Frankfurt (D), Schirnkunsthalle Frankfurt (D), Dialogmuseum Frankfurt (D), Weltkulturen Museum Frankfurt (D), ZKM Karlsruhe (D), Norsk Teknisk Museum Oslo (NO), Kajaani Art Museum, (FIN), Museo Reina Sofía Madrid (ES), Art Center Beirut Lebanon (LB), Gallery ONKAF New Delhi (IND), Museum of Modern and Contemporary Art Roverto (IT) and Skylight Gallery New York (USA).
His work has been featured in public media, including public radio stations. Radiophonic compositions for Deutschlandradio Kultur (DLR), Hessischer Rundfunk (HR), Westdeutscher Rundfunk (WDR), Südwestrundfunk (SWR) and for the Österreichischer Rundfunk (ORF).
He has received scholarships and participated in artist-in-residence programmes in Europe, the Middle East and Africa. Prizes and awards include Junge Akademie, Akademie der Wissenschaften Berlin (D), Wildlife Sound Recording Society Competition (UK), Prix Phonurgia Nova (F), Grand Prix Nova (RO) and the Quartz Electronic Music Award (F).

He is a co-founder of the label Gruenrekorder, which since 2001 has focused on soundscapes, field recordings and electro-acoustic compositions, collaborating with artists and scientists on an international level.