Claim: Karen Rubin began her career in investment banking in 2004 before moving to Boston to join HubSpot where she eventually co-hosted HubSpot TV.
Evidence: She started her career in 2004 in investment banking. She joined HubSpot where she co-hosted HubSpot TV, and was entrepreneur-in-residence at Matrix Partners in 2013-2014. 
Beginning her career in 2004 in investment banking, she then completed four years as project manager for Promotions (acquired by TheStreet.com in 2007). She moved to Boston to join HubSpot as employee number 30 in 2008. Although her main job there was product management, she also co-hosted several hundred weekly episodes of a webcast called first "HubSpot TV" then "Marketing Update."