It’s clear that influence in tech comes in all ages, shapes, and sizes. We’ve compiled a list of the most powerful people in tech at nearly every age, considering factors like the person’s sphere of influence, clout, and ability to guide the industry, as well as potential for power and wealth. Meet the most powerful people in tech, from age 2 to age 98.

Age 66: Ray Kurzweil | Director of Engineering at Google

What makes him powerful: Ray Kurzweil is considered to be one of the leading minds in the artificial intelligence field. Kurzweil is the co-founder of Singularity University, a renowned tech based academic program and startup accelerator. He became famous for creating the first text-to-speech software. Forbes called him “the ultimate thinking machine.” At Google, Kurzweil is working on creating a search system that understands your emotions.