 Mathison is on the board of directors of HomeAid America, which builds and renovates multi-unit shelters for America's temporarily homeless families and individuals, and Speakers Without Borders, an international non-profit organisation created to support professional speakers who are committed to inspiring the human spirit in under-served communities though the power of the spoken word.Mathison, through bethemedia.org, takes an active role in such issues as media ownership, cable provider franchise agreements and net neutrality.Mathison was on the board of directors of WebHood (Cambridge, Massachusetts), Project Censored's Media Freedom Foundation (Sonoma, California) and the Mountain Play Association (Mill Valley, California) and the board of conveners of the Community Media Center of Marin (San Rafael, California).