Aclara BioSciences Inc., of Mountain View, Calif., named to its board of directors Eric Lander, a director of the Whitehead/MIT Center for Genome Research, and Andre Marion, a director of Molecular Devices and a founder of Applied Biosystems.

Adolor Corp., of Malvern, Pa., elected to its board of directors David Madden, managing member of Pharmaceutical Partners LLC, and Claude Nash, president and CEO of ViroPharma Inc.

Agouron Pharmaceuticals Inc., of La Jolla, Calif., named Barry Quarta president, research and development, and Kent Snyder president, global commercial operations. Martin Mattingly was promoted to vice president, global marketing planning, and Patrick O¿Connor to vice president, head of oncology research. Also promoted were Alex Polinsky to vice president, head of the Alanex research division, and Steve Worland to vice president, head of antiviral research.

ArQule Inc., of Woburn, Mass., named David Hastings chief financial officer, and Sheila DeWitt director of business development.

Atrix Laboratories Inc., of Fort Collins, Colo., appointed David Bethune, its CEO, chairman of the company¿s board.

Biogen Inc., of Cambridge, Mass., appointed Nadine Cohen director, regulatory affairs; Philippe Chanut director, Southern Europe; and John McCoy director, molecular technologies. It also named Raymond Arner chief counsel, intellectual property and associate general counsel; David Allsop international marketing director; and Bill Anderson country manager, UK and Ireland.