Mary Roach Keywords energy waterless toilet sanitation Read more about Mary Roach Mary Roach is the outgoing energy access program manager at Ceniarth and the incoming head of global partnerships at Loowatt, a waterless toilet company based in the UK. Prior to joining Ceniarth in 2015, she was responsible for the GSMA’s M4D Utilities Innovation Fund supporting organizations leveraging mobile technology to improve access to energy, water, and sanitation.