.bio {
   grid;
   grid-template-columns: 200px 200px; // or whatever width you need for the images
   grid-template-rows: 100px 300px;
}

.bio-sidebar {
   grid-column: 1;
   grid-row: 1 / 2;
}

.bio-inset {
   grid-column: 2;
   grid-row: 1;
}

.bio-text {
   grid-column: 2;
   grid-row: 2;
}