Complex sentence: DiMarco said he is a spokesperson for LEAD-K (Language Equality and Acquisition for Deaf Kids) and works with The ASL App, an app that teaches conversational ASL.
Split into simpler sentences: DiMarco said he is a spokesperson for LEAD-K (Language Equality and Acquisition for Deaf Kids). He is a signer and creative collaborator on The ASL App, an app that teaches conversational ASL.