General Chairs
Avishek Anand
TU Delft
Zhaochun Ren
Leiden University
Suzan Verberne
Leiden University
Full Paper Chairs
Adam Jatowt
University of Innsbruck
Ricardo Campos
University of Beira Interior / INESC TEC, Portugal
Yanyan Lan
Tsinghua University
Short Paper Chairs
Sean McAvaney
University of Glasgow
Mohammad Aliannejadi
University of Amsterdam
Christine Bauer
University of Salzburg
Workshop Chairs
Negar Arabzadeh
University of Waterloo
Franco Maria Nardini
ISTI-CNR, Italy
Tutorial Chairs
Faegheh Hasibi
Radboud University
Manish Gupta
Microsoft Research
Doctoral Consortium Chairs
Aldo Lipani
University College London
Julian Urbano
Delft University of Technology
Demo Chairs
Yue Feng
University of Birmingham
Sandipan Sikdar
Leibniz University Hannover
Reproducibility Chairs
Andrew Yates
Johns Hopkins University
Venktesh Viswananthan
TU Delft
Awards Chair
Craig MacDonald
University of Glasgow
Local Organization
Masoud Mansoury
TU Delft
Industry Day Chairs
Benjamin Piwowarski
CNRS, Sorbonne University
Vinay Setty
University of Stavanger / Factiverse AS
IR for Good Chairs
Bhaskar Mitra
Independent Researcher
Maria Heuss
University of Amsterdam
Sponsorship Chairs
Ujwal Gadiraju
TU Delft
Publicity Chairs
Yifei Yuan
University of Copenhagen
David Graus
University of Amsterdam
Proceedings Chairs
Alisa Rieger
GESIS
Johannes Kiesel
GESIS