MCA2017 There's no need for parallelism here, because there is only one verb in the sentence core:
The board . . . has formed a committee.
The rest of the verbs are in modifiers of their own and aren't structurally parallel to anything else. "Worried" isn't even a verb at all. It's a past participle that modifies "board" and also isn't parallel to anything else.
In simplified terms, our full sentence looks like this:
The board (worried about X and Y) has formed a committee
...
The board . . . has formed a committee.
The rest of the verbs are in modifiers of their own and aren't structurally parallel to anything else. "Worried" isn't even a verb at all. It's a past participle that modifies "board" and also isn't parallel to anything else.
In simplified terms, our full sentence looks like this:
The board (worried about X and Y) has formed a committee
...
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