Dr Dan Hayes is Associate Professor in the School of Forest Resources at the University of Maine. He teaches, does research and performs outreach on the use of remote sensing for forest inventory and ecosystem studies. He studies the role of climate change and disturbance in the dynamics of terrestrial ecosystems, with a focus on Arctic and Boreal regions. He has contributed to various regional, continental and global carbon budget modeling and synthesis efforts and publishes on the methods and results of multi-disciplinary, ecosystem-scale scientific investigations.