Tobira Therapeutics Inc., of South San Francisco, named Caroline Loewy executive vice president and chief financial officer, Jeff Enejosa senior director, clinical research and Mark Menning director, pharmaceutical sciences

he will chair the audit committee and serve on the compensation committee...Anaptysbio Inc., of San Diego, named Andrew McKnight senior director, target biology

Solvo Biotechnology Inc., of Budapest, Hungary, named William Johnson vice president, global operations and Kent Grindstaff senior director, business development and operations, North America

Knopp Biosciences, of Pittsburgh, named Steven Boyd senior director of chemistry and Ian Reynolds senior director of biology

named CFO Timothy Morris senior vice president, global corporate development and finance...and appointed Roman Dvorak senior director, clinical development

TapImmune Inc., of Seattle, named Robert Florkiewicz senior director of molecular biology and virology

C3 Jian Inc., of Los Angeles, appointed Siegfried Rogy senior director of clinical operations...OvaScience, of Cambridge, Mass., added Jeffrey Capello and John Simon to its board

Sirona also appointed Sean Cunliffe chief business officer and board member...Unigene Laboratories Inc., of Boonton, N.J., promoted Gregory T. Mayes to chief business officer and appointed Jane Pepper senior director of business development

Euthymics Bioscience Inc., of Cambridge, Mass., appointed Thomas A. Shea chief financial officer and named Anne Combebias senior director of clinical research and drug safety/pharmacovigilance

Ablexis LLC, of San Francisco, appointed Jake Bauer senior director of corporate development and business operations

Xceleron Ltd., of York, UK, appointed David Roblin to its board and named Stuart Best senior director of operations...XOMA Ltd., of Berkeley, Calif., appointed Paul Rubin vice president and chief medical officer

PanOptica Inc., of Mount Arlington, N.J., added David P. Bingaman as senior director of clinical development and Kristine Curtiss as executive director of clinical operations...Regulus Therapeutics Inc., of La Jolla, Calif., appointed Mary Glanville senior vice president of human capital and Christopher Aker senior director of legal affairs and secretary

Regulus Therapeutics Inc., of La Jolla, Calif., appointed Renee Lamb senior director of global alliance and strategic planning and named Kevin Steffy director of alliance and project management

Hemispherx Biopharma Inc., of Philadelphia, appointed Ronald Ritz senior director of manufacturing...Medgenics Inc., of Misgav, Israel, added Isaac Blech and Raymond Dean Hautamaki to its board

Receptos Inc., of San Diego, appointed Faheem Hasnain president, CEO and board member...Regulus Therapeutics Inc., of La Jolla, Calif., named James Karras senior director of immunology...Topaz Pharmaceuticals Inc., of Horsham, Pa., appointed Bob Radie president and CEO

plc, of Dublin, Ireland, appointed Kristine Peterson to its board and named Joseph S. Zakrzewski CEO...Argen-X BV, of Rotterdam, the Netherlands, appointed Debbie Allen senior director of business development

EpiCept Corp., of Tarrytown, N.Y., appointed Rita Kelley senior director of marketing...Hueneme, Calif., appointed Malcolm Gefter to its board and scientific advisory board

Sirius Genomics, of Vancouver, British Columbia, appointed Kamran Alam senior director of business development...Spencer Pharmaceutical Inc., of Boston, named Max Arella president and chairman

Presidio Pharmaceuticals Inc., of San Francisco, added Pamela Vig as senior director of clinical research...Probiodrug AG, of Halle, Germany, appointed Claus Braestrup chairman and named Lennart Mucke to its scientific advisory board