Membership in Sigma Xi is by nomination, if you are in the area local to the University Colorado Boulder your nomination will be handled by the University of Colorado Chapter.
There are two levels of membership; Full Membership is conferred upon any individual who has shown noteworthy achievement as an original investigator in a field of pure or applied science or engineering. Associate Membership is available to any individual who has, through initial research achievement in a field of pure or applied science, shown an aptitude for research.
To request nomination to Sigma Xi please fill out one of the following nomination forms and submit it to one of the Chapter officers.
MS Word Nomination Form
PDF Nomination Form