Now that the 2020 election is (already) heating up, here are three democratic presidential candidates with greek affiliations: Kamala Harris, Alpha Kappa Alpha, Elizabeth Warren, Kappa Alpha Theta, and Kirsten Gillibrand, Kappa Kappa Gamma.
This site has a rather extensive list of greek women that have served in the United States Senate:
https://www.franbecque.com/female-se...-2017-edition/ At the top of the page, there are also multiple headings to click for other groupings of famous sorority women.
Looking through some of the other lists, I see that Ruth Bader Ginsburg was a member of AEPhi, and my own Kansas governor Laura Kelly was a KU Pi Phi.