Dr. Antonio Mannino, research oceanographer of the Ocean Ecology Laboratory at NASA Goddard Space Flight Center since 2002, is currently Deputy Project Scientist for Oceans on NASA’s PACE mission. He was previously a Mendenhall Postdoctoral Fellow research chemist at the U.S. Geological Survey. Dr. Mannino began his graduate work at the University of Texas (UT; M.A. 1994) studying how biogeochemical and ecological factors influence the spatial distribution of macrobenthos community structure. At UT, Mannino became interested in the carbon cycle, including the biogeochemistry of dissolved and particulate organic matter. At the University of Maryland (Ph.D. 2000), while investigating the chemical composition, sources and reactivity of coastal organic matter, Mannino became interested in linking the optical and chemical properties of organic matter for remote sensing applications. At NASA, Dr. Mannino has served as project PI, laboratory manager, lead/co-lead for the GEO-CAPE mission pre- formulation ocean science working group, science lead on ocean color satellite instrument design studies, MODIS ocean science team member, PI for the Ocean Biology and Biogeochemistry field support group, chief scientist on field campaigns, and PI for the NASA Arctic-COLORS scoping study. Dr. Mannino has served as a member of the International Ocean Color Coordinating Working Group on geostationary ocean color requirements. He has mentored several postdoctoral researchers and summer interns. His current work applies field observations, satellite data and 3D coastal models to study carbon cycle processes and phytoplankton community composition within estuaries, continental margins and open ocean regions including the diurnal and spatial scales of variability.