Rebecca Lieb was appointed to director of corporate communications at Rare Medium Group Inc. in New York. She will be responsible for corporate communications for the venture capital group at their incubator and investment companies. Lieb will also oversee media and investor relations for the company. Previously, Lieb was vice president of corporate communications at Siegelgale, a strategic branding and e-services consultancy, also New York Mondo Media, a San
Francisco-based new media company that creates and syndicates digital animation for television and the Web, named Robin Harper as the new senior vice president of marketing. Harper was the former vice president of marketing for Ninth House Network, an online media network targeting Fortune 1000 companies, also based in San Francisco.