wagtail_bakerydemo/bakerydemo/templates/base/preview/person.html

{% extends "base.html" %}
{% load wagtailimages_tags %}

{% block content %}
    <div>
        {% image object.image fill-200x200-c100 class="blog__avatar" %}
        <h2>{{ object.first_name }} {{ object.last_name }}</h2>
        <p>{{ object.job_title }}</p>
    </div>
{% endblock %}