Simple past tense and past participle of helm.(verb)
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Use "helmed" in a sentence
"The third one which he actually helmed from the director's chair was garbage - absolutely the worst one."
"So kudos to this new label helmed by Mason Cellars' Grant Hemingway and two friends; they've devised a great value that shows off a fresh pear blossom Chenin presence, with a bit of grassy bite and ripe apricot fruit."
"Sublime Frequencies -- the reissue label helmed by onetime Sun City Girl Alan Bishop -- has produced some of the most challenging and fulfilling reissues in the past 10 years."