Graduate students and postdocs have the following opportunities to prepare for a science communication career:

On-campus groups 

Vanderbilt's Editors' Club provides opportunities to gain experience in editing while helping other trainees with their manuscripts and grant applications.

Other Useful Links at Vanderbilt:

Vanderbilt EAD  http://www.vanderbilt.edu/ead/

http://hr.vanderbilt.edu/ - The HR Website can be helpful in many instances to assist in linking to other resources, to locate organizational policies/practices or just to find information needed.

http://hr.vanderbilt.edu/training/commlearning.php  -  This is a “One Stop” location page with links to Learning Opportunities throughout the organization: Human Resources; Medical Center; Elevate; Vanderbilt and Computer Training Resources

http://hr.vanderbilt.edu/training/workshoplist.php - This link provides the list for the Organizational Effectiveness Team workshops and courses

http://hr.vanderbilt.edu/training/leaders.php - This is the Organizational Effectiveness Team link specifically for the development, tools and resources for Leaders

http://hr.vanderbilt.edu/training/onboarding/index.php - We discussed Onboarding of New Employees.  This is a “walk through” of the Vanderbilt philosophy and processes of Onboarding a new employee.

Professional societies

All of these societies offer low student dues and opportunities to connect with those in the field:
National Association of Science Writers 
Council of Science Editors 
American Medical Writers' Association