Loud Technologies, the former Mackie Designs, named two additions to its sales organization. David Christensen becomes director of international sales. He has worked for companies that include Solid State Logic, Sony and Euphonix. Kurt Metzler will be responsible for the installed sound market in the United States, including Mackie, EAW and the newly refocused RCF brand. He has worked at Radian Audio Engineering and Sennheiser Electronic Corp., among other jobs; and he founded the first Mackie dealer in the country, Sound Advice.