Sascha Kegel Konietzko (born 21 June 1961), also known as Sascha K and Käpt'n K, is a German musician and record producer. He is the founder, frontman and "anchor"^[2] of the industrial band KMFDM. Konietzko jokingly purports himself to be the father of industrial rock.^[3] Keyboard Magazine wrote of him, "You won't find a more imaginative or effective keyboardist on the hard-core scene."^[4]

Konietzko is best known for his role as frontman of KMFDM. Having founded the group as a performance art project in 1984, he is the only member of KMFDM to appear on every release, and the only founding member still in the band. His main instruments are keyboards and drums, although he is also proficient at playing guitar and bass guitar.

Konietzko has formed a number of side-projects:

• Excessive Force in 1990 with Buzz McCoy of My Life With The Thrill Kill Kult
• MDFMK in 1999 with Lucia Cifarelli and Tim Skold
• Schwein in 2000 with members of the Japanese band Buck-Tick and English musician Raymond Watts
• KGC in 2006 with Lucia Cifarelli and Dean Garcia of Curve
• OK•ZTEIN•OK in 2011, Konietzko's first solo project

He has re-mixed acts including Metallica, Megadeth, White Zombie, Rammstein, Love & Rockets, Kittie, Die Krupps, Flotsam & Jetsam, Living Colour, Mindless Self Indulgence, Combichrist, Young Gods, and Pig.

Sascha Konietzko lived in the United States from 1991^[5] to 2007, dividing his time among Chicago, New York City, and Seattle before moving back to his hometown of Hamburg, Germany. Konietzko and Lucia Cifarelli married in 2005.^[6]