Sean Davis (team leader): NOAA Chemical Sciences Laboratory, Boulder, CO, USA

Marta Abalos: Universidad Complutense de Madrid, Madrid, Spain

Thomas Birner: Ludwig Maximilian University, Munich, Germany

Nicholas Davis: National Center for Atmospheric Research, Boulder, CO, USA

Qiang Fu: University of Washington, Seattle, WA, USA

Hella Garny: German Aerospace Center, Oberpfaffenhofen-Wessling, Germany

Amanda Maycock: University of Leeds, Leeds, UK

Alison Ming: University of Cambridge, Cambridge, UK

Karen Rosenlof: NOAA Chemical Sciences Laboratory, Boulder, CO, USA

Seok-Woo Son: Seoul National University, Seoul, South Korea

Gabriele Stiller: Karlsruhe Institute of Technology, Karlsruhe, Germany

Darryn Waugh: Johns Hopkins University, Baltimore, MD, USA

Andreas Chrysanthou (Young Scientist): University of Leeds, Leeds, UK

Molly Menzel (Youn Scientist): Johns Hopkins University, Baltimore, MD, USA