Philippe Knaub, senior vice president and chief technology officer of Media, Pennsylvania-based foam supplier FXI, has joined the board of directors of the Alliance for Flexible Polyurethane Foam, the nonprofit group that administers the CertiPUR-US foam certification program.

Previously, Knaub was the global head of research and development for emulsion polymers for Trinseo, a spinoff of the Dow Chemical Co., where he worked for more than 20 years. His Dow positions included global research-and-development director, project manager and global marketing manager.

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