Complex sentence: Masini found success in the class and would self-publish two books following it which lead to her being featured on the The O'Reilly Factor and becoming Old Spice's "Dating and Relationship Editor" for its Voice of Experience campaign.
Split into simpler sentences: Masini found success in the class and would self-publish two books following it. Masini was featured on the The O'Reilly Factor and was hired by Old Spice as it's "Dating and Relationship Editor" for its Voice of Experience campaign.