“创始人”常见的英文表达是 founder,读音:英 [ˈfaʊndə(r)];美 [ˈfaʊndər] 。
例如:
He is the founder of this well-known tech company.(他是这家知名科技公司的创始人。)
The founder of the charity organization devoted his whole life to helping the poor.(这家慈善组织的创始人毕生致力于帮助穷人。)