Template file used to output /people/{person-name}/ and display the related events. This template only pulls in Upcoming events rather than all.

content-espresso_people-details.php

<?php

/**
 * Template file to add extra content to a single person display
 * Note: To customize, just copy the template from /public/templates/* and put in your theme folder.
 *
 * @since       1.0.0
 * @package     EE People Addon
 * @subpackage  template
 * @author      Tony Warwick
 */

global $post;

//Get all upcoming events for this person.
$primary_obj_type = 'Event';
$events = [];
$where = [ 
    'PER_ID' => $post->ID, 
    'OBJ_type' => $primary_obj_type,
    'Event.Datetime.DTT_EVT_start' => [ '>', EEM_Datetime::instance()->current_time_for_query('DTT_EVT_start') ],
];
$query = [ $where ];

$object_items = EEM_Person_Post::instance()->get_all($query);
$term_name_cache = [];
if (method_exists(EEM_Event::instance(), 'public_event_stati')) {
    $public_event_stati = EEM_Event::instance()->public_event_stati();
} else {
    $public_event_stati = get_post_stati([ 'public' => true ]);
    foreach (EEM_Event::instance()->get_custom_post_statuses() as $custom_post_status) {
        $public_event_stati[] = strtolower(str_replace(' ', '_', $custom_post_status));
    }
}

foreach ($object_items as $object_item) {
    if (! isset($term_name_cache[ $object_item->get('PT_ID') ])  || ! isset($events[ $term_name ][ $object_item->ID() ])) {
        $term_name =  EEM_Term_Taxonomy::instance()->get_one_by_ID($object_item->get('PT_ID'))->get_first_related('Term')->get('name');
        $related_object = $object_item->get_first_related($primary_obj_type, [ [ 'status' => [
            'IN', apply_filters('FHEE__EEH_People_View__get_rel_objects__public_event_stati', $public_event_stati)
        ] ] ]);
        if ($related_object instanceof EE_Base_Class) {
            $events[ $term_name ][ $object_item->ID() ] = $related_object;
            $term_name_cache[ $object_item->get('PT_ID') ] = $term_name;
        }
    }
}
?>
<div class="eea-people-addon-person-events-container">
    <?php if ($events) : ?>
        <h3><?php _e('Events this person is involved with:', 'event_espresso'); ?></h3>
        <?php foreach ($events as $type => $event) : ?>
            <div class="eea-people-addon-people-type-container">
                <h4 class="eea-people-addon-people-type-label"><?php echo $type; ?></h4>
                <ul class="eea-people-addon-event-list-ul">
                    <?php foreach ($event as $evt) : ?>
                        <li>
                            <a class="eea-people-addon-link-to-event" href="<?php echo get_permalink($evt->ID()); ?>"
                               title="<?php printf(__('Click here to view more info about %s', 'event_espresso'), $evt->name()); ?>">
                                <span class="eea-people-addon-event-name"><?php echo $evt->name(); ?></span></a>
                        </li>
                    <?php endforeach; ?>
                </ul>
            </div>
        <?php endforeach; ?>
    <?php endif; ?>
</div>