Exactly. Even if one doesn't know of him beforehand, this can be inferred from context: the emcee/herald refers to him as just "andy", suggesting he is a known

Exactly. Even if one doesn't know of him beforehand, this can be inferred from context: the emcee/herald refers to him as just "andy", suggesting he is a known figure in the context of the conference. A quick search for "andy ccc" reveals the rest of the information.