Silicon Valley is a revolving door of startups, big tech companies, VCs, and innovation - things are always changing.
But there are those that have weathered these transitions and changes year-in and year-out, becoming the most seasoned and experienced in the tech world.
Business Insider recently released its annual Silicon Valley 100 list, highlighting the people in tech who have made a difference this past year, of which many are longtime tech veterans over the age of 50.
They've seen the boom and bust of many technological feats and can feel where the industry is going.
Read on to learn about some of the most experienced people in the business over 50.
Additional reporting by Julia Naftulin, Tanza Loudenback, and Alexa Pipia.
Edited by Alex Morrell and Matt Rosoff.