Mateo has used AAC since the age of 4. He enjoys mentoring younger users, including at AAC camps, and talking with families and professionals about his experiences. He's presented nationally to districts, universities and conferences including #TalkingAAC, AAC Talks, ATIA and Charting the Cs. He has also presented internationally at the Communication Matters conference in Leeds, England. Mateo is the winner of the 2026 Prentke Distinguished Lecture award. Mateo is also featured in the documentary Camp ALEC which is streaming on Disney+. He shares about his AAC journey, recommendations for communication partners, his pet peeves and what it's like being the only AAC user in the room. His district presentations have significantly advanced AAC implementation and elevated expectations for student achievement. He loves meeting new people and uses personal stories and humor to build connections.