He's been at the BoG for over 21 years, from bookseller to supervisor to book buyer. If you've shopped at the BoG, he's chosen your books for you, whether you know it or not.
And now I'll quote his answer when I asked him whether he had any good stories about tracking down a book for someone: "I was most pleased to identify for a customer the poem "Horatius" by Thomas Babington Macaulay. Thanks to my 7th grade history teacher Mr. Doherty who first quoted it to my class in 1977. (Special thanks to novelist William Goldman for naming a character in MARATHON MAN Thomas Babington "babe" Levy. That always helped me remember Macaulay's name.