diff --git a/csc-poster-sample.tex b/csc-poster-sample.tex
index c3ebc1c..4817851 100644
--- a/csc-poster-sample.tex
+++ b/csc-poster-sample.tex
@@ -44,7 +44,7 @@ flexible, but ultimately squishy and inferior human beings.
 %% FOOTER
 % The first through third arguments tell us the date and time.
 % The last argument is a pithy saying.  It may be empty.
-% Following the footer, the CSC logo is printed.
+% Following the footer, the CSC and MathSoc logos are printed.
 \cscfoot{Tuesday, 2001-10-02}{12:21 PM}{MC6006}{Exterminate!}
 
 \end{document}
diff --git a/csc-poster.sty b/csc-poster.sty
index f0eccf3..01ae3b9 100644
--- a/csc-poster.sty
+++ b/csc-poster.sty
@@ -139,6 +139,7 @@
     \fi%
     \cscbigskip%
     \includegraphics[height=1.5in]{csc-logos/csclogo}%
+    \includegraphics[height=1.5in]{uw-logos/mathsoclogo}%
   \end{center}%
 }
 
diff --git a/poster-archive/F15/back2back.tex b/poster-archive/F15/back2back.tex
new file mode 100644
index 0000000..84ac8d3
--- /dev/null
+++ b/poster-archive/F15/back2back.tex
@@ -0,0 +1,45 @@
+%% This is csc-poster-sample, a sample CSC poster
+%% Copyright (C) 2003  Computer Science Club of the University of Waterloo
+%%
+%% This program is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published by
+%% the Free Software Foundation; either version 2 of the License, or
+%% (at your option) any later version.
+%%
+%% This program is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty of
+%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%% GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public License
+%% along with this program; if not, write to the Free Software
+%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+\documentclass{article}
+\usepackage{csc-poster}
+
+\begin{document}
+
+%% TITLE
+% This command lays out the top of the document.
+% The first parameter is the title.
+% The second parameter is the speaker.  This parameter may be empty.
+\cschead{Culture Turnaround and Software Defined Networks}
+
+%% SUBTITLE
+% This command prints the sub-title and is completely optional.
+\cscsubtitle{John Stix and Francisco Dominguez}
+
+Back to back talks from John Stix (President, Fibernetics) and Francisco Dominguez (CTO, Fibernetics) on turning a company's culture around and on Software Defined Networks!
+
+John Stix will be talking about how he turned around the corporate culture at Fibernetics Corporation.
+
+Francisco Dominguez will be talking about Software Defined Networks, which for example can turn multiple flakey internet connections into one reliable one.
+
+%% FOOTER
+% The first through third arguments tell us the date and time.
+% The last argument is a pithy saying.  It may be empty.
+% Following the footer, the CSC logo is printed.
+\cscfoot{Wednesday, 2015-09-30}{5:00 PM}{DC 1304}{Food and drinks will be provided!}
+
+\end{document}
diff --git a/uw-logos/mathsoclogo.png b/uw-logos/mathsoclogo.png
new file mode 100644
index 0000000..9141477
Binary files /dev/null and b/uw-logos/mathsoclogo.png differ