Oculus Innovative Sciences Inc., of Petaluma, Calif., named Dana Redhair vice president of regulatory affairs and quality.

Oragenics Inc., of Alachua, Fla., appointed Ronald Evens to its board of directors.

Penwest Pharmaceuticals Co., of Danbury, Conn., named W. James O'Shea to its board of directors.

Presidio Pharmaceuticals Inc., of San Francisco, named Marcus Conant chief medical officer and Antoun Nabhan chief financial officer.

Rexahn Pharmaceuticals Inc., of Rockville, Md., appointed Freddie Ann Hoffman to its board of directors.

SpectraScience Inc., of San Diego, named John Pappajohn to its board of directors.

Synosia Therapeutics, of South San Francisco, appointed Michael Eison vice president of regulatory affairs.