Nerve.com has hired Sebastian Mei as director of sales.

David&Goliath hired Noah Phillips and Greg Szmurlo as copywriters, and Howard Herrarte as senior art director for the agency's LA office.

JWT London hired Paul Banham as digital creative director.

Mediabrands launched Geomentum, a media insights agency to be led by CEO Dave Walker, a former head of marketing for Toys "R" Us, Musicland and Circuit City.

Jennifer Gove was promoted from account director to group account director at OLSON.

Alcone Marketing Group hired Sean Conciatore as senior vice president/chief creative officer for Alcone/East. Conciatore joins Alcone from STAGE Active Brand Marketing/Ryan Partnership where he was senior partner and creative director working on Heineken USA, Nestle, Bacardi, Masterfoods, Unilever, Wyeth and New Balance.

Susan Heeren was named director of marketing at Worldmedia and Sana Jawaid was hired as client partner.

BabyCenter hired Suzanne Skop as vice president of sales. She joins the company from MySpace.com, where she was the vice president of sales for the northeast region.

Modernista! hired Mollie Partesotti as brand strategist.

Medialink Worldwide promoted Mike Cavender to vice president of client solutions.