//* Remove the default header
remove_action( 'genesis_header', 'genesis_do_header' );

//* Add custom header
add_action( 'genesis_header', 'sk_do_header' );
function sk_do_header() { ?>

    <div class="title-area">
        <h1 itemprop="headline" class="site-title"><a title="<? get_bloginfo('title'); ?>" href="<? get_bloginfo('url'); ?>"><? get_bloginfo('title'); ?></a></h1>
        <h2 itemprop="description" class="event-date-location"><? return get_theme_mod('event_date'); ?> at the <? get_theme_mod('event_location');?></h2>
        <p class="sponsor">Brought to you by <? return get_theme_mod('meet_sponsor'); ?></p>
    </div>

<?  if ( is_active_sidebar( 'header-right' ) ) {

        echo '<aside class="widget-area header-widget-area">';

            genesis_widget_area( 'header-right', array(
                'before' => '<div class="header-right-widget">',
                'after' => '</div>',
            ) );

        echo '</aside>';

    }

}