diff --git a/writeup/ddf_authors.csv b/writeup/ddf_authors.csv
index ad05f95..09b53ee 100644
--- a/writeup/ddf_authors.csv
+++ b/writeup/ddf_authors.csv
@@ -54,3 +54,4 @@ Rothchild ,Daniel ,Daniel Rothchild ,Contributor,"University of California, Berk
 Sevilla,Ignacio,I.~Sevilla-Noarbe,Reviewer,"Centro de Investigaciones Energ\'{e}ticas, Medioambientales y Tecnol\'{o}gicas (CIEMAT), Av. Complutense 40, 28040, Madrid, Spain",Reviewer,ignacio.sevilla@ciemat.es
 Slosar,Anze,An\v{z}e~Slosar,Reviewer,"Physics Department, Brookhaven National Laboratory,  Upton, NY 11973",reviewer,anze@bnl.gov
 Yoachim,Peter,P.~Yoachim,Contributor,"University of Washington","Reviewer, MAF support",yoachim@uw.edu
+Aldering,Greg,G.~Aldering,Contributor,"Lawrence Berkeley National Laboratory, Physics Division, One Cyclotron Rd., Berkeley, CA 94720, USA","Input on setting field cadence, general suggestions",galdering@lbl.gov
\ No newline at end of file