simon.constans.io/themes/hugo-winston-theme/layouts/partials/author-large.html

<div class="author author-large">
  <img width="50" class="author-image" src="{{ .Site.Data.author.image | relURL }}" alt="{{ .Site.Data.author.name }}" />
  <span class="author-name">{{ .Site.Data.author.name }}</span>
  <span class="author-title">{{ .Site.Data.author.title }}</span>
</div>