 The New Mexico Exoplanet Spectroscopic Survey Instrument (NESSI) is a ground-based instrument specifically designed to study the atmospheres of exoplanets.The $3.5 million instrument is the first purpose-built device for the analysis of exoplanet atmospheres, and is expected to have a powerful impact on the field of exoplanet characterization.The Principal Investigator is Michele Creech-Eakman at the New Mexico Institute of Mining and Technology, working with seven co-investigators.