David Phillips has been appointed vice president of marketing for HemoSense (San Jose, California), responsible for developing marketing initiatives in support of HemoSense's INRatio Prothrombin Time Monitoring System, a system for blood coagulation testing, as it expands in both the point-of-care-testing and patient self-testing markets. Phillips previously was director of marketing for i-STAT, acquired by Abbott Diagnostics in early 2004.

• Mentor (Santa Barbara, California) reported that Christopher Conway, chairman, and Adel Michael, vice chairman, have resigned from the company's board. A founder of Mentor, Conway served as chairman since 1969, as CEO from 1969 to 1999 and as CEO and president from 2000 until May 2004. Conway, who is retiring after 36 years with Mentor, said, "I know the company is in good hands, and I am confident that it will continue to enjoy the same success in the future that it has in the past." Joseph Whitters, a member of the audit committee, has been elected to replace him as chairman. Michael joined Mentor in 2000 as senior vice president and served as treasurer and CFO until May 2004. Mentor manufactures products for the aesthetics, urologic specialties and clinical and consumer sectors.

• Omnicell (Mountain View, California) said Dennis Wolf will step down as executive vice president and CFO, effective April 4. The company also reported that it has hired James Judson as vice president of finance. Judson will serve as interim CFO after Wolf's departure. Judson has more than 20 years of financial management experience, primarily with Sun Microsystems. Omnicell makes the MedGuard line for the medication-use process, including systems for physician order management, automated pharmacy retrieval, medication packaging, medication dispensing and nursing workflow automation. Its OptiFlex product line provides open bar code systems, cabinet-based supply management, integrated open and cabinet-based systems, and web-based procurement for the med-surge supply chain.

John Bakos has been named president of Pluristem Life Systems (Haifa, Israel). He most recently was co-founder and vice president-finance at Fluidnet. Pluristem develops stem cell products for cell regenerative therapies.