Dear colleagues, the International Linear Collider Workshop (LCWS10 and ILC10) will be held in Beijing from the 26th till the 30th of March. As convenors of the parallel session on tracking and vertexing we would like to invite proposals for contributions. If you would like to present your work, please contact us before March 1st. Speakers should submit an abstract, specifying speaker's name, association, the title and requested duration of the presentation and a brief summary of the content. Looking forward to seeing you in Beijing, kind regards, Bill Cooper, Klaus Dehmelt, Madhu Dixit, Yulan Li, Akira Sugiyama, Marcel Vos