function twentyfourteen_list_authors() {
    $contributor_ids = get_users(
      array(
        'fields'  => 'ID',
        'orderby' => 'post_count',
        'order'   => 'DESC',
        'who'     => 'authors',
      )
    );

    foreach ( $contributor_ids as $contributor_id ) :
      $post_count = count_user_posts( $contributor_id );

      // Move on if user has not published a post (yet).
      if ( ! $post_count ) {
        continue;
      }
      ?>

		<div class="contributor">
		<div class="contributor-info">
			<div class="contributor-avatar"><?php echo get_avatar( $contributor_id, 132 ); ?></div>
			<div class="contributor-summary">
				<h2 class="contributor-name"><?php echo get_the_author_meta( 'display_name', $contributor_id ); ?></h2>
				<p class="contributor-bio">
					<?php echo get_the_author_meta( 'description', $contributor_id ); ?>
				</p>
				<a class="button contributor-posts-link" href="<?php echo esc_url( get_author_posts_url( $contributor_id ) ); ?>">
					<?php printf( _n( '%d Article', '%d Articles', $post_count, 'twentyfourteen' ), $post_count ); ?>
				</a>
			</div><!-- .contributor-summary -->
		</div><!-- .contributor-info -->
	</div><!-- .contributor -->

			<?php
  endforeach;
  }