2013
$5M
from 9 investors over 9 rounds
Lumen Learning raised undisclosed on April 13, 2022
Investors: Bill & Melinda Gates Foundation
Lumen Learning raised $5M on December 19, 2018
Investors: The R-Group, LLC
Lumen Learning raised $3.8M on April 17, 2017
Investors: The R-Group, LLC and Alliance of Angels
Lumen Learning raised $2.5M on January 6, 2015
Investors: The R-Group, LLC, Oregon Venture Fund, Portland Seed Fund, Cascade Seed Fund and Alliance of Angels