OPN thanks all who submitted summaries, as well as our panel of guest editors: Robert D. Guenther, the panel chair, and guest editors Svetlana Boriskina, Mihaela Dinu, Dmitry Dylov, Alexandre Fong, Nicholas Frigo, G. Groot Gregory, Brooke Hester, Vasudevan Lakshminarayanan, Nick Lambert, Giovanni Milione, Arlene Smith and Stephen R. Wilk.