A Genesis author box that uses template parts

author-box-single.php

<?php
/**
 * The template part for displaying an author box on single entries.
 *
 * @see prefix_author_box()
 * @see /includes/theme-functions.php
 *
 */
?>
<div class="author-box">
	<div class="one-third first">
		<?php echo get_avatar( get_the_author_meta( 'email' ), 200 ); ?>
	</div><!-- .one-third -->
	<div class="two-thirds">
		<h4 class="author-box-title"><a href="<?php echo esc_url( $archive ); ?>"><?php echo $name; ?></a></h4>
		<p class="desc"><?php echo get_the_author_meta( 'description' ); ?></p>
	</div><!-- .two-thirds -->
	<div class="clear"></div>
	<div class="simple-social-icons">
		<ul class="alignleft">
			<?php if ( $twitter ) { ?>
			<li class="social-twitter">
				<a href="<?php echo esc_url( $twitter ); ?>">&#xe80d; <span class="text">Follow Me</span></a>
			</li>
			<?php } ?>

			<?php  if ( $gplus ) { ?>
			<li class="social-gplus">
				<a href="<?php echo esc_url( $gplus ); ?>">&#xe801; <span class="text">Circle Me</span></a>
			</li>
			<?php } ?>

			<?php if ( $facebook ) { ?>
			<li class="social-facebook">
				<a href="<?php echo esc_url( $facebook ); ?>">&#xe802; <span class="text">Friend Me</span></a>
			</li>
			<?php } ?>

			<li class="social-rss">
				<a href="<?php echo $rss_feed; ?>">&#xe805; <span class="text">Subscribe</span></a>
			</li>
		</ul>
	</div><!-- .simple-social-icons -->
</div><!-- .author-box -->

author-box.php

<?php
/**
 * The template part for displaying an author box.
 *
 * @see prefix_author_box()
 * @see /includes/theme-functions.php
 *
 */
?>
<div class="author-box">
	<div class="one-third first">
		<?php echo get_avatar( get_the_author_meta( 'email' ), 200 ); ?>
	</div><!-- .one-third -->
	<div class="two-thirds">
		<h4 class="author-box-title"><a href="<?php echo esc_url( $archive ); ?>"><?php echo $name; ?></a></h4>
		<p class="desc"><?php echo get_the_author_meta( 'description' ); ?></p>
	</div><!-- .two-thirds -->
	<div class="clear"></div>
</div><!-- .author-box -->

template-author-box.php

<?php

add_filter( 'genesis_author_box', 'prefix_author_box', 10, 6 );
/**
 * Display Custom Author Boxes using template parts.
 *
 * @author Robert Neu
 * @link http://wpbacon.com/tutorials/better-genesis-author-box/
 *
 * @param   string $output
 * @param   string $context
 * @param   string $pattern
 * @param   string $gravatar
 * @param   string $title
 * @param   string $description
 * @return  string $output
 */
function prefix_author_box( $output, $context, $pattern, $gravatar, $title, $description ) {
	$twitter  = 'https://twitter.com/' . get_the_author_meta( 'twitter' );
	$facebook = get_the_author_meta( 'facebook' );
	$gplus    = get_the_author_meta( 'googleplus' );
	$rss_feed = trailingslashit( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . 'feed';
	$archive  = trailingslashit( get_author_posts_url( get_the_author_meta( 'ID' ) ) );
	$name     = get_the_author();

	// Author box on single posts.
	if ( 'single' !== $context ) {
		ob_start();
		include_once( locate_template( 'templates/partial/author-box.php' ) );
		$output = ob_get_clean();
	}
	else {
		ob_start();
		include_once( locate_template( 'templates/partial/author-box-single.php' ) );
		$output = ob_get_clean();
	}
	return $output;
}