Life membership allows members to pay a one-time fee, in up to three installments, for lifetime active membership in Sigma Xi. To proceed with online payment, please choose which year you would like to pay from the selections below.

After making your selection, you will need your Member ID # to pay your dues online. Your ID # can be found at the top of the dues billing sent by e-mail, mail or on your American Scientist mailing label (The 9- or 11-digits above your name. Your Member ID# does not include letters or dashes. Ex. 99999999999-0103).

The Life Membership dues for the fiscal year beginning July 1, 2008 are $1475, payable in annual installments of $590-$442.50-$442.50.