Josef Paffenholz is coordinator for the technical preparation of the SEAM CO₂ project. He assumed this role after serving 4 years on the SEAM board of directors, 1 year as treasurer and the last two as chair. From 2002 until his retirement in 2019 he has been a research geophysicist at FairfieldNodal, where he and coworkers solved the longstanding problem of "Vz noise" on ocean bottom recordings. Other work included multiple attenuation and deblending and interpolation.