Open Systems Technologies Inc., a staffing solutions provider, announced the formation of Open Systems Healthcare Inc. (OSHC), a home care staffing agency serving Philadelphia and the southeastern Pennsylvania regions. OSHC’s mission is to provide exceptional personal and attendant care services in the home and community.

Witt/Kieffer, an executive search firm, is launching a life sciences practice and has hired Stephen Kirnon and J. Michael Honeysett to lead the expansion. Kirnon and Honeysett will build a life sciences practice that expands upon the company’s focus on healthcare, higher education, academic medicine and information technology. Kirnon will lead the life science practice from the company’s office in Emeryville, Calif., as vice president. Honeysett will serve as an executive senior consultant from the company’s Irvine, Calif. office.

Ware Technology Services, a division of the Atterro Human Capital Group that recruits engineering and IT professionals, is expanding its professional staffing business in the Houston region with a downtown office in The Galleria. Its broader presence in Houston is in response to the high demand for top engineering and technical talent in the oil and gas industry.

Freelancer.com, an Australia-based outsourcing and crowdsourcing marketplace, unveiled its new headquarters at Jones Bay Wharf, Sydney.