I’m a Buddhist in the Gelug school of Tibetan Buddhism. If you want an idea of what that means, the most famous Gelugpa is unquestionably His Holiness The Dalai Lama.
HHDL as a boy, photographer unknown
I didn’t join the Gelug school because of His Holiness’s fame though. I joined because of the school’s long tradition of rigorous scholarship, and even better, the fact that a Gelug-affiliated Dharma center is about two miles from my apartment.