Gabe Newell (1962 nî 11 goe̍h chhe 3 chhut-sì), Bí-kok si̍t-gia̍p-ka, Valve kong-si ê chóng-chhâi kiam kiông-tông khai-ki-chiá, chú-iàu chhî-hun-chiá. Valve sī chhin-chhiūⁿ Half-Life, Portal, Counter-Strike ū miâ-siaⁿ ê tiān-náu gè-muh khai-hoat kong-si, mā ūn-choán Steam pêng-tâi.