SRA Founder to Step Down as CEO Ernst Volgenau, founder of SRA International Inc., said Thursday he will step down as chief executive of the company in January but will continue to serve as chairman of the board.\&lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2"\ color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/B&gt;&lt;/FONT&gt;