app/concepts/challenge/views/organizer_view.erb
<div class="user-link">
<%= link_to organizer_path(organizer) do %>
<%= concept(Image::Cell,organizer,size: :medium) %>
<% end %>
<p>By <%= link_to organizer.organizer,
organizer_path(organizer) %>
<% if challenge.private_challenge %>
<strong>[Private Challenge]</strong>
<% end %>
</p>
</div>