<div class="grid grid-pad">
                    <?php
                        $i = 0;
                        $blogusers = get_users( 'role=author' );

                        foreach ( $blogusers as $user ):

                        if ($i % 6 == 0) {
                            echo '</div><div class="grid grid-pad">';
                        }
                    ?>
                    <div class="col-1-6">
                        <div class="blogers-avatar">
                            <a href="<?php echo get_author_posts_url( $user->ID, $user->user_nicename ); ?>">

                                <?php echo get_wp_user_avatar($user->ID, 'avatar-medium'); ?>
                                <span><?php echo $user->display_name; ?></span>
                            </a>
                        </div>
                    </div>
                    <?php
                        $i++;
                    endforeach;
                                           if ($i % 6 == 0) {
                            echo '</div><div class="grid grid-pad">';
                        }
                    ?>
                </div>