SC 3.1: Earth Tides and Geodynamics
Chair: Carla Braitenberg (University of Trieste, Trieste, Italy)

SC 3.2: Volcano Geodesy (joint with IAVCEI)
Chair: Emily Montgomery-Brown (U.S. Geological Survey – California Volcano Observatory, USA)

SC 3.3: Earth Rotation and Geophysical Fluids
Chair: Jianli Chen (University of Texas at Austin, USA)

SC 3.4: Cryospheric Deformation (joint with IACS)
IAG Co-Chair: Jeff Freymueller (Michigan State University, East Lansing, Michigan, USA)
IACS Co-Chair: Bert Wouters (Utrecht University /Delft University of Technology, Netherlands)

SC 3.4: Seismogeodesy (joint with IASPEI)
Chair:  Jean-Mathieu Nocquet (Université Côte D’Azur, IRD, CNRS, OCA & Institut de Physique du Globe de Paris)

Joint Study Groups

JSG 3.1: Geodetic, Seismic and Geodynamic Constraints on Glacial Isostatic Adjustment (joint with IASPEI and IAG Commissions 1 and 2)
Chair: Rebekka Steffen (Lantmäteriet, Gävle, Sweden)

Joint Working Groups

JWG 3.1: Improving Theories and Models of the Earth’s Rotation (joint with IAU)
Chair: Jose Manuel Ferrandiz Leal (University of Alicante, Spain)

WG 3.2: Global combined GNSS velocity field (joint with IAG Commissions 1 and 2)
Chair: Alvaro Santamaría-Gómez (GET, Université de Toulouse, CNES, CNRS, IRD, UPS, Toulouse,

Other VIPs:

Representative of IERS: Robert Heinkelmann (GFZ Potsdam, Germany)

Representative of IGFS: Nico Sneeuw (University of Stuttgart, Stuttgart, Germany)

Representative of IGETS: Hartmut Wziontek (BKG Leipzig, Germany)

Member-at-Large: Matt King (University of Tasmania, Hobart, Australia)

Member-at-Large: Laura Fernández (National University of La Plata, Buenos Aires, Argentina)

IAG Events