Drayton is the Literary Assistant at The Flea Theater, where he seeks out new plays, consults on programming, and has provided dramaturgical support to plays in development and production, including NSangou Njikam's Syncing Ink, Nic Robideau's Inanimate, Steph Del Rosso's Fill Fill Fill Fill Fill Fill Fill, and Cereals.

As the Literary Associate at Yellow Earth Theatre (UK), he has lead workshops for emerging writers since 2013, is a curator for the annual Typhoon Play Festival, and has guided plays to readings at the Finborough and Soho Theatres. He received an Olwen Wymark Award from the Writer’s Guild of Great Britain for his work on Joyce Lee's Zen.

He was the Artistic Director of LoNyLa Singapore, which developed four original plays, and he taught playwriting with Jean Tay at Singapore Repertory Theatre. 

He currently teaches Script Analysis at Marymount Manhattan College, where he has directed three original plays by student playwrights, including Penny Pun's Blue, which was featured in Pan Asian's Nu Works at Theater Row.