Catalyst Acoustics Group (Catalyst), the parent company of a leading portfolio of acoustic, seismic, vibration and noise control brands, has appointed James Hou as Group President. In his new role, Hou will oversee Fräsch, IAC Acoustics, Noise Barriers, Sound Seal and independent testing laboratory Riverbank Acoustical Laboratories. He will lead initiatives focused on operational excellence, commercial performance, customer experience and long-term growth across the company's portfolio.