Sigi Moeslinger is a partner at Antenna Design New York Inc., which she co-founded with Masamichi Udagawa in 1997. Antenna's design projects range from public and commercial to experimental and artistic, typically spanning object, interface and environment. Among Antenna's best known projects are the design of New York City subway cars and ticket vending machines, Bloomberg displays and interactive environments, such as Power Flower, an installation in the windows of Bloomingdale's activated by passersby. Antenna's work has won numerous awards, including recognition from Business Week/IDSA, I.D., Fast Company and Wired magazines. In 2006, Antenna received the United States Artists Target Fellowship in the Architecture and Design Category. In 2008, Antenna won the National Design Award in Product Design.

Before forming Antenna, Sigi was an Interval Research Fellow at New York University. Prior, she was a senior designer at IDEO in San Francisco. She holds a master's degree in interactive telecommunications from New York University and a B.S. in industrial design from Art Center College of Design.