Sort child posts by custom fields of parent post type.
Solution:
There isn't such kind of built-in feature within Toolset plugins, Toolset Blocks/Views plugins are using WordPress class WP_Query to query posts, see WP document:
‘meta_value‘ – Note that a ‘meta_key=keyname‘ must also be present in the query.
That means you can only sort the results by custom fields of post type(“Institutional position”) you are querying, you can not sort the result by custom fields of other post type(“People”).
As a workaround, you can try with a nested views, for example:
