"September 10, 2013 THIEL Audio, winner of over 60 prestigious awards for loudspeaker design and performance since 1978, has appointed Mark Mason as the companys new Director of Product Development. Mason represents the first in-house engineering presence for the brand since the passing of Jim Thiel in 2009.
Mark Mason brings a depth of engineering experience combined with a broad range of technical capabilities to THIEL after nearly a decade as Design Team Manager at PSB. Masons expertise includes critical applications such as driver design (the term driver refers to the woofer, midrange and tweeter components that make up most dynamic loudspeakers), Class D amplifier design and high performance acoustic systems design (referring to a completed loudspeaker including drivers, crossover networks and enclosures). I heard about THIEL quite a long time ago and I have tremendous respect for what the brand has achieved in the three decades plus since it was founded, explained Mason. I am honored that I have an opportunity to be a part of THIELs future and help evolve this storied organization, Mason added."
http://www.thielaudio.com/thiel-appoints-mark-mason-as-director-of-product-development/