Sean is a co-founder of D-PAN, The Deaf Professional Arts Network, a nonprofit organization that has been making music accessible to the Deaf and hard of hearing community by creating American Sign Language interpretation music videos of popular songs. D-PAN has created videos for John Mayer, Christina Aguilera, Eminem, White Stripes, Owl City, Carly Rae Jepsen, The Clark Sisters, Imagine Dragons, and more.

In 2012, Sean released a full-length CD/DVD album titled Perfect Imperfection and toured the world to promote the record.

On February 13, 2022, Forbes performed in the Super Bowl LVI halftime show in ASL.