noun
EXAMPLES FROM CORPUS
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He is a founder member of the Prison Reform Trust.
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He is also a founder member and stage manager of the Calder Valley Junior theatre Society.
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He was a founder member of the Company of Master Mariners.
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He was a founder member of the Edinburgh Press Club, established more than 50 years ago.
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He was also a founder member of Bill Bruford's Earthworks, which has recorded four albums to date.
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His work as a leading founder member was invaluable.
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In 1884 he became a founder member of the Art Workers' Guild.