US: Sublime Systems has appointed Rob Davies as its CEO. He succeeds Leah Ellis in the post. Ellis, who co-founded the company in 2020 says she will remain “actively engaged.”
Davies joined Sublime Systems in 2024 as an advisor and became its Chief Operating Officer (COO) at the start of 2025. He previously held the position of COO of 6K from 2022 to 2024. He worked for Cabot Corporation in a variety of roles from 2012 to 2022, eventually becoming its VP Global Manufacturing - Reinforcement Materials. Earlier in his career he was the president of Geocycle in the US from 2006 to 2010. He was the plant manager of cement plant in Portland, Colorado for Holcim from 2003 to 2006. Before this, he worked for Lafarge in the UK and Blue Circle in a number of positions including UK Technical Director and UK Operations Officer, and he managed a number of cement plants. Davies holds a master’s degree in mineral process engineering and a master of business administration (MBA) from the University of Warwick.
