Update 4-sfo.md

Author: kptdobe

hackathons/4-sfo.md

@@ -44,6 +44,7 @@ For out-of-town visitors, [Hotel Shattuck Plaza](http://www.hotelshattuckplaza.c
 * @alexkli (some days at least)
 * @tripodsan
 * @rofe
+* @acapt
 
 Please share this page with people inside Adobe that you'd like to invite.