Co-founder Douglas P. Clark was named chief medical officer and acting CEO, effective July 1...Compass Biotechnologies Inc., of Edmonton, Alberta, appointed Joseph Sinkule president and chief operating officer...Cytochroma Inc., of Markham, Ontario, appointed Cynthia Lavoie and Osamu Otani to its board

An item in the May 19, 2011, edition of BioWorld Today's Appointments and Advancements column should have said that Adimab LLC appointed Frances Heller to its board

Access Pharmaceuticals Inc., of Dallas, named Anthony Mottola vice president of managed care and market access...Actelion Ltd., of Allschwil, Switzerland, nominated Jean-Pierre Garnier and Robert Bertolini to its board...Ampio Pharmaceuticals Inc., of Greenwood Village, Colo., appointed Mark D. McGregor chief financial officer and corporate secretary

KaloBios Pharmaceuticals Inc., of South San Francisco, added Jonathan Leff as chief medical officer and named Gary A. Lyons to its board...Labopharm Inc., of Laval, Quebec, elected Mark D'Souza president, CEO and board member...Pro-Pharmaceuticals Inc., of Newton, Mass., named Peter G. Traber president and CEO

Hospira Inc., of Lake Forest, Ill., elected F. Michael (Mike) Ball CEO and board member...ITherX Pharmaceuticals Inc., of San Diego, named Stefan Zeuzem chairman of its scientific and clinical advisory board

Addex Pharmaceuticals Ltd., of Geneva, proposed adding Hoyoung Huh and Oleg Nodelman to the board...Codexis Inc., of Redwood City, Calif., named Jacques Beaudry-Losique vice president of corporate development and strategy

Pearl Therapeutics Inc., of Redwood City, Calif., appointed Chuck Bramlage president and CEO...Plethora Solutions Holdings plc, of London, appointed Richard Horsman to its board and named Billy Hargan vice president of commercial operations...Protox Therapeutics Inc., of Vancouver, British Columbia, named William Rohn and Arnit Sobti to its board

ATyr Pharma, of San Diego, formed a therapeutic advisory board comprising Thomas O. Daniel, L. Patrick Gage, Rich Heyman, Keith James, Paul Negulescu, Timothy Rink, Wendell Wierenga and Doug Williams...Otonomy Inc., of San Diego, appointed G. Michael Wall vice president of product development and named Cindy Berejikian vice president of program management

Oncos Therapeutics, of Helsinki, Finland, appointed Jonathan Knowles and Robert Burns to its board...Soligenix Inc., of Princeton, N.J., appointed Kevin Horgan senior vice president and chief medical officer...Topaz Pharmaceuticals Inc., of Horsham, Pa., appointed Mark Strobeck vice president and chief business officer

executive vice president and chief operating officer and named John A. Bellano senior vice president of sales and commercial programs

The firm also named Lori M. Henderson vice president, general counsel and secretary...Anadys Pharmaceuticals Inc., of San Diego, named Kevin L. Eastwood senior vice president of corporate development, promoted James Appleman to senior vice president of research and chief scientific officer, appointed James L. Freddo to the board and named Stelios Papadopoulos chairman...AspenBio Pharma Inc., of Castle Rock, Colo., added Erik S. Miller as vice president of marketing and business development

Markus Leyck Dieken senior vice president and general manager, Germany...and Manuela Maronati vice president, sales and marketing, Europe

OctoPlus NV, of Leiden, the Netherlands, named Jan Hendrik Egberts and nominated him for appointment as CEO...Optimer Pharmaceuticals Inc., of San Diego, named Kurt Hartman general counsel and access...Protox Therapeutics Inc., of Vancouver, British Columbia, named Lars Ekman chairman and added Jonathan Leff and Nishan de Silva to the board

and added Tamara A. Seymour as chief financial officer...Hybrigenics, of Paris, named William Vickery head of corporate and business development...Medistem Inc., of San Diego, appointed Vladimir Bogin president and chairman

Celtaxys Inc., of Atlanta, named Michael Hanley CEO and chairman...Codexis Inc., Redwood City, Calif., named William Rothwell vice president and general manager of Biobased Chemicals...Cytomedix Inc., of Gaithersburg, Md., formed a scientific advisory board with the appointments of Marissa Carter, Jean de Leon, Vickie R. Driver, Peter A. M. Everts, Will W. Li and Thomas E. Serena

plc, of Dublin, Ireland, appointed Kristine Peterson to its board and named Joseph S. Zakrzewski CEO...Ambit Biosciences Corp., of San Diego, named Faheem Hasnain chairman and appointed Alan Fuhrman chief financial officer...AnaptysBio Inc., of San Diego, named Jan de Vries, Nicholas B. Lydon and Phillip A. Patten to its scientific and therapeutic advisory boards

Roche, of Nutley, N.J., named Jacques Banchereau senior vice president and head of the inflammation and virology discovery and translational areas

Neovacs, of Paris, appointed Florence Hocdee-Leroy communications and investor relations director...Oligomerix Inc., of New York, appointed Vic Micati chairman and named Jack Pasini chief commercial officer and board member

Cytogenix Inc., of New York, appointed Kevin Cassidy and Campbell Murray to its board...Generex Biotechnology Corp., of Worcester, Mass., appointed Mark Fletcher interim president and CEO and named John P. Barratt chairman