VENLO, Netherlands & TOKYO, Japan--(BUSINESS WIRE)--QIAGEN N.V. today announced that Stephane Perrey has joined the Company as President of its fully-owned subsidiary QIAGEN KK on January 1, 2009. He follows Kazuo Tokushige, who retired on December 31st, and will lead QIAGEN’s further expansion in life sciences and the growing market of molecular diagnostics in Japan.