app/views/members/index.html.erb
<div class='content'>
<%= render partial: 'organizers/masthead', locals: { organizer: @organizer } %>
<%= render partial: 'organizers/subnav', locals: { organizer: @organizer, challenges: @challenges } %>
<div class="row">
<%= render partial: 'members' %>
</div>
</div>