Transitions Optical has promoted Sherianne James, currently director of global marketing, to vice president of marketing, and John Ligas, currently director of R&D, to vice president of R&D. Both promotions are effective immediately. James, who joined Transitions in 2011, was the first company's director of global consumer and professional insights, before her promotion to director of North America marketing, in 2012. Two years later, she was promoted to her current role of director, global marketing. Ligas joined Transitions Optical in Pinellas Park, Florida as engineering manager in 1992. He was promoted to director of the product leadership team in 1997, and then to his current position as director of R&D, in 2008. In his new role as vice president of R&D, he will manage the R&D team including the evolution of light management technology. In addition, he will continue to serve as a member of the company's operating committee.