We are a studio of Acoustic and Audio/Video design consultants serving audiences across the globe with a natural approach to sound. Select an image to learn more about the people behind Threshold or explore our portfolio. Carl Giegold Dawn Schuette Scott Pfeiffer Robin Glosemeyer Petrone Constance Walker Laurie Kamper Shane Kanter Rob Miller Tim Perez John Strong Rob James Lisa M. Pleviak Oona O'Leary Christopher Springthorpe Mercer Aplin Brandon Cudequest Maddie Daily Angela Born Matt Skarha Sarah Parker Marc Goossens Laura Brill Nicolaus Dulworth Marcus Mayell Joe Disbrow Kristee Genna Sam Kartub Kevin Barrow Molly Smallcomb Samantha Snodgrass Thomas Elie Curtis