If you’re not registered for mediabistro.com’s 2010 Circus, you are missing out.

The theme is “Women In Media + Tech” and the lineup includes:

Susan Lyne, CEO of Gilt Groupe: she’ll talk about thinking differently about what is possible online, and how helping clients see untapped opportunities helped to grow their business.

Janet Balis, EVP Media Sales & Marketing, Martha Stewart Living Omnimedia: She’ll talk about developing multimedia sales and marketing programs in a changing media landscape, and connecting with consumers across a variety of platforms.

Marita Scarfi, EVP/CFO/COO, Organic: Marita was the key player to take Organic public in 2000, and she quickly learned how to recruit, manage and motivate talent. She continues learning—most recently, how to manage public relations, marketing, and new business development. At Circus, Marita will join the discussion featuring women who rock social media and marketing – Lynne Johnson of the Advertising Research Foundation, and Alice McKown of Conde Nast Digital – about how to grow community around your brand….and more.

Early bird rates end April 28. The conference itself is May 20