Steve Donen

Donen has more than 30 years of experience in the chemical processing industry, including executive leadership positions in manufacturing, engineering and technology development.

Prior to joining Rivertop, Donen played a comparable role at Segetis, a startup company developing bio-based industrial materials in the areas of adhesives, additives and polyols. There he led the scale-up of a unique thermochemical process from the lab to a world-class semi-works facility. Previously, Donen spent 13 years with industry pioneer NatureWorks (originally a joint venture known as Cargill Dow LLC) as Director of Manufacturing Technology and Engineering, where he led the development and construction of the first ever global-scale polymer plant making plastic from biobased feedstocks. Before Cargill Dow, Donen was the Global Technology Manager for Dow’s Polystyrene Business.