The primary purpose of this position is to work on an NSF-funded project aimed at understanding the role of sponge metabolism on the composition of dissolved organic matter on coral reefs. Duties and responsibilities of the position include but are not limited to the following: * Lead data collection, analysis, and integration. * Maintain data for the project organized and submit data to online repositories when appropriate and in a timely manner. * Lead presentation of the work at scientific conferences and write manuscripts for submission to peer-reviewed journals. * Work closely with the external researchers on the project and with undergraduate and graduate students at ASU.