Doing some digging myself but Visa has a whole page dedicated towards contacting the board:

investor.visa.com/corporate-go...

Many of the board members are also members of colleges, like Merit E. Janow from mastercard and Columbia

No matter what happens I'm going to keep doing art but y'know, I'm just gonna have to keep my time forever tied up with something I don't give a shit about just to survive in this fuck-ass societal structure we've built.