The Membrane Structure and Function Subgroup (MSAF) promotes and advances knowledge about the biophysical properties of lipids, membranes, and membrane-associated molecules, including membrane proteins. As such, its mission is to provide an intellectual home base for its members as the Biophysical Society continues to rapidly grow and expand its realms of interests. To do so, the MSAF sponsors a popular Saturday Symposium at the Biophysical Society Annual Meeting. The MSAF also maintains an e-mail list for communication with its members. The MSAF is led by an Advisory Committee consisting of the past chair, the present chair, and the chair-elect. The MSAF also annually offers the Thompson Award for excellence in the field of Membrane Structure and Function.