The International Society of Subsurface Microbiology (ISSM) is pleased to invite delegates to attend ISSM 2017. This conference is the tenth in a series of international conferences devoted to providing a better understanding of the ecology, microbial community composition and function, and biogeochemistry of the earth’s subsurface environments. The Conference is being held in Rotorua, New Zealand, from 6-10 November 2017. Rotorua is a stunning location with a wide range of environments – physical, cultural and social, to discover and explore. The conference promises to be an unforgettable event that will bring together a wide range of international delegates from all around the globe. The conference will span 5 days, including a day of excursions, and over this period conference delegates will hear from leading experts in subsurface microbiology and discuss cutting edge developments in this area. Abstract submissions due April 24, 2017.