TriMas Corporation (NASDAQ: TRS) - a diversified global manufacturer of engineered and applied products - announced today the transition of leadership within its Packaging business segment. Lynn Brooks, president of Rieke Packaging Systems, announced he will retire as president. David Pritchett, currently executive vice president at Rieke, will succeed Brooks as president of Rieke Packaging Systems, effective August 15, 2014. Brooks will remain with the company in an advisory role. Pritchett will report directly to TriMas President and Chief Executive Officer David Wathen.