Using WP Biographia template tags within a custom Loop

custom-loop.php

<?php
/*
Template Name Posts: Desktops
*/

get_header();

?>

<!--sub head container-->
<div id="subhead_container">
        <div id="subhead">
		<h1><?php the_title(); ?></h1>
	</div>
</div>
		
<div id="container">
	<div id="content" role="main">
		<div id="left-col">
			<?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
			<div class="post-entry">
				<div class="meta-data">
					<div class="category_icon">
						<?php the_category(', '); ?>
					</div>
					<div class="comment_icon">
						<?php comments_popup_link( __( 'Leave a comment', 'Rbox' ), __( '1 Comment', 'Rbox' ), __( '% Comments', 'Rbox' ) ); ?>
					</div>
				</div> <!-- meta-data end -->
				<div class="clear"></div>
				<?php the_content(); ?>
				<div class="clear"></div>
				<?php wp_link_pages( array( 'before' => '' . __( 'Pages:', 'Rbox' ), 'after' => '' ) ); ?>
				<?php the_tags('Social tagging: ',' > '); ?>
			</div> <!-- post-entry end -->

			<?php
				$cat_id = get_cat_ID('journal');
				$args = array(
					'cat' => $cat_id,
					'post_type' => 'post',
					'post_status' => 'publish',
					'posts_per_page' => -1,
					'ignore_sticky_posts' => 1
				);
				$query = new WP_Query($args);
				if ($query->have_posts()):
				?>
				<form name="jump">
					<select name="menu">
					<?php while ($query->have_posts()) : $query->the_post(); ?>
						<option value="<?php the_permalink() ?>"><?php the_title(); ?></option>					<?php endwhile; ?>
					</select>
					<input type="button" onClick="location=document.jump.menu.options[document.jump.menu.selectedIndex].value;" value="Go">
				</form>
				<?php
				endif;
				wp_reset_postdata();
				if (function_exists('wpb_the_biography_box')) {
					$user = get_user_by('id', $post->post_author);
					wpb_the_biography_box('raw', $user->user_login);
				}
				comments_template('', true);
			?>
			<?php endwhile; ?> <!-- default loop end -->
		</div> <!--left-col end-->
	</div> <!-- content end -->
</div> <!-- container end -->

<?php get_sidebar(); ?>
<?php get_footer(); ?>