Kate Walsh is an American Actress, businesswoman, and social activist. She is known for her roles in television and films, and also for her entrepreneurship. She established her beauty and lifestyle company that is running successfully since 2010. Best known for her role as America’s favourite TV female doctor, Dr Addison Montgomery, in the TV series ‘Grey’s Anatomy’, and the spinoff series ‘Private Practice’, she has had a long and rich acting career across theatre to television to motion pictures. She started off with ramp modelling in Japan and then moved over to her first love - acting - after coming back to the United States. She is a leading social activist and community figure, having been elected to the board of the Screen Actors’ Guild and campaigning for various social causes ranging from planned parenthood to pet adoption, to protection of sea turtles. She has also campaigned for US Presidential candidates Barack Obama and Hillary Clintion. As a veteran actress with a diverse and rich career spanning almost three decades, she has been awarded and acclaimed for her performances in theatre and motion pictures as well as on television.