A social networking site and a biomedical firm are among the companies scheduled to present at a conference for entrepreneurs and investors in North Carolina next month, organizers announced this week.

The Opportunity Conference, a two-day event sponsored by the Council for Entrepreneurial Development, also features workshops, consulting sessions, and "Start-up Speed Dating."

Featured speakers include Richard Johnson, the former CEO of Hotjobs.com, and Richard Randall, the CEO of Trans1.

The conference takes place at the SunSpree Resort in Wrightsville, N.C., Sept. 10-11. For more information visit www.cednc.org.

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