I have hosted The Artist for A Better World Poetry event at the Celebrity Center. Was a street performer on 3rd Street Promenade, Santa Monica. And, I am a DJ for business banquets.
I have came to mind about that, but not at the moment. If I do, it will be costly and will only be of any benefit to you if you take interests in my work.
In the past I have with physical books. For ebooks, show me your digital receipt and it will be replaced with a voucher postcard with my autograph at time of signing. Book signing locations to be announced on Author's Journal and Twitter.