George Daniloff, MD, PhD, has been named general manager and vice president of research and development of the California facility of Angiotech Pharmaceuticals (Vancouver, British Columbia). Ross Erickson has been named vice president, operations, and will oversee clinical, regulatory, quality assurance and quality control facilities at the former Cohesion Technologies (Palo Alto, California), which Angiotech acquired last month. Daniloff previously was vice president, research and development, at Cohesion. Erickson previously held positions at Alza, Applied Immune Sciences and Collagen. Angiotech is focused on enhancing the effect of medical devices and biomaterials through the use of pharmacotherapeutics.

Patrick Wethington has been promoted from areas sales director of the northern and central sales territories for Endocardial Solutions (Minneapolis, Minnesota) to vice president, North American sales. Endocardial Solutions manufactures technology for diagnostic mapping of complex arrhythmias. Its EnSite 3000 System provides a 3-D graphical display of the heart's electrical activity.

William Mavity has been appointed president and chief executive officer of Paracor Surgical (Sunnyvale, California). Mavity most recently served as CEO and director of Cohesion Technologies. Paracor is a development-stage company focused on making mechanical and electrical devices for treating congestive heart failure.

T.V. Rao, vice president of worldwide sales and marketing at Possis Medical (Minneapolis, Minnesota), will retire from the firm effective April 4. Possis makes devices for the removal of blood clots from coronary arteries and bypass grafts, peripheral arteries and AV dialysis access grafts.