Complex sentence: Pai is opposed to net neutrality and voted against reclassifying internet service providers as Title II Common Carriers and was very active publicly opposing the early-2015 vote of the FCC to enact "net neutrality" regulations.
Split into simpler sentences: Pai is opposed to the FCC's current incarnation of net neutrality and voted against reclassifying internet service providers as Title II Common Carriers. He was very active publicly opposing the early-2015 vote of the FCC to enact "net neutrality" regulations.