Immunex Corp., of Seattle, said Craig Parker joined the company as general manager for the specialty therapeutics business. Parker served as vice president and senior biotechnology analyst for Donaldson, Lufkin & Jenrette Securities Corp., of San Francisco. While there, he assisted in raising capital of more than $400 million for acquisitions and product development.

Nanogen Inc., of San Diego, appointed Michael Moore senior vice president, operations and product development, and general manager.

NEN Life Science Products Inc., named Russell Hays president and CEO.

Phoenix International Life Sciences Inc., of Montreal, appointed Gerald Merritt senior vice president Phase I – North America.

Sangamo BioSciences Inc., of Point Richmond, Calif., appointed to its board of directors William Rutter, co-founder of Chiron Corp., of Emeryville, Calif.

Schroder Venture Life Sciences, of Boston, named Hingge Hus partner, focusing on biotechnology and pharmaceutical investments, and Charles Warden partner, focusing on venture and buyout medicinal products and devices and health care service investments.

Senesco Technologies Inc., of Princeton, N.J., named Ruedi Stalder chairman and CEO, and Steven Katz president, chief operating officer and treasurer. Phillip Escaravage was named vice chairman.

Structural GenomiX Inc., of San Diego, appointed George Poste non-executive chairman of its board of directors, and Julius Knowles vice president, business development. Poste was a former president of research and development at SmithKline Beecham plc.

Visible Genetics Inc., of Toronto, named Thomas Clarke chief financial officer.

Xanthon Inc., of Research Triangle Park, N.C., named Steve McPhail vice president business development, sales and marketing.

Xenova Group plc, of Slough, UK, named to its scientific advisory board Stephen Howell, a professor of medicine at the University of California, San Diego.

Zycos Inc., of Cambridge, Mass., named to its board of directors Kenneth Bate, former senior managing director of MPM Capital LP, and founder of JSB Partners LP.