ROCKVILLE, Md.--(BUSINESS WIRE)--Human Genome Sciences, Inc. (Nasdaq: HGSI) announced today that Tuomo Pätsi has joined the Company as Vice President, HGS Europe. Mr. Pätsi, formerly Regional Vice President – Northern Europe at Celgene International, will be responsible for European sales, marketing and medical affairs across the HGS product portfolio, and will report to Barry A. Labinger, Executive Vice President and Chief Commercial Officer.