I'm curious as to what your inspiration was in using these elements? When I look at your concept, I immediately think something industrial because of the use of heavy textures and objects.
My opinion would be to incorporate something that defines the group itself as being smart professional women who organize intercultural events. I really believe you should play up on the fact that this is a group of women. Not by making it gender classified, but by adding images/elements that better represent who the group is and what they do.
I'm curious as to why you decided to tackle this project in 3D? Logos are often used in a print environment and when creating a design you should always be aware of how that will translate to the different media in which the logo will be displayed. If it works in print, then it will usually always work on the web and or in email.
I don't mean to sound discouraging, but I did want to provide you with constructive feedback that will hopefully help you as you continue to develop your work.