WashU senior Emma Lembke, 22, has earned a spot on Forbes’ “30 Under 30” social media list.

Lembke co-founded  Log Off, an organization for and by teens who want to raise awareness about social media’s impact on mental health. She has testified before Congress and visited the White House to advocate for regulations and safety standards in social media and artificial intelligence (AI); is establishing Log Off chapters at WashU and other college campuses; and has emerged as a leading champion for digital wellness, appearing in The New York Times, Time, CBS News and other outlets. Lembke is majoring in political science in Arts & Sciences.

In addition to leaders in social media, the annual list highlights innovators in fields such as AI, media, sports, education, health care and finance.