No, Gauthier Louette no longer serves as the Chairman and CEO of SPIE. After leading the enterprise for nearly 23 years and successfully steering its expansion and initial public offering, he stepped down from his executive functions pursuant to the age limits set by the company's bylaws. Under updated corporate governance separating the roles, Markus Holzke took over as Chief Executive Officer, while Patrick Jeantet assumed the role of non-executive Chairman of the Board.