• Donald Melson has been named vice president, corporate controller of Analogic (Peabody, Massachusetts). Melson most recently served as vice president and corporate controller of Millipore. Melson succeeds Michael Siraco, who had served as Analogic's vice president, corporate controller since 1982. Siraco will continue to serve as vice president, finance. Analogic is a manufacturer of advanced healthcare imaging and security systems and subsystems sold primarily to OEMs.

• Mansoor Mohammed, PhD, has joined CombiMatrix Molecular Diagnostics (Mukilteo, Washington) as chief scientific officer. Mohammed has been at the forefront of research and development in the fields of comparative genomic hybridization and microarray technologies for his entire professional career. Between 2001 and 2003 he produced the first commercially viable whole genome Bacterial Artificial Chromosome array and co-authored one of its seminal clinical applications. Mohammed later directed the advanced technologies and genomics program at Quest Diagnostics. CombiMatrix, a unit of Acacia Research, is developing a platform technology to rapidly produce customizable arrays.

• Roger Nocera, MD, has joined Medistem Laboratories (Scottsdale, Arizona) as executive vice president and chief medical officer. Nocera is board-certified in diagnostic radiology and anti-aging medicine. He founded and remains medical director of Arcadia Radiology & Open MRI (Phoenix), and also serves as medical director and owner of the Nocera Antiaging Clinic (also Scottsdale). Medistem Laboratories is developing next-generation medical therapies from adult stem cell sources.

• Luis Mostacero has rejoined Paradigm Medical Industries (Salt Lake City) as vice president, finance. Mostacero previously served as controller from June 2000-August 2005 before joining Distinctive Creations as controller. Paradigm Medical manufactures diagnostic equipment and consumable products for the medical industry.

• Warren Stowell has been appointed CEO of Telzuit Medical Technologies (Orlando, Florida). A board member since 2005, Stowell succeeds Donald Sproat, who has resigned as CEO and a director. Stowell has more than 23 years of experience as CEO/COO in the healthcare industry. Telzuit Medical Technologies is in the final stages of launching its first product, the Bio-Patch Wireless Heart Monitor.

• Jeffrey Peterson, PhD, has joined VisEn Medical (Cambridge, Massachusetts) as director of applied biology. An expert in autoimmune and inflammatory diseases, Peterson most recently served as a group leader in the pharmacology department of Abbott Bioresearch Center. VisEn Medical is developing optical molecular imaging technology platforms.