Sergio began illustrating covers for books when he

came right out of Parsons School of Design. He has

worked as an illustrator of young adult books for a

number of children publishers. A list that includes

American Girl Mystery Novels, The Karate Club by 

Puffin Books, Jennie McGrady Mystery Series by Bethany

House, and other kids books as well as hundreds of western

novels for Penguin Books.  His other clients have included

Harper Collins Publishers, Avon Books, Random House,

Tyndale House Publishers, Scholastic Books and Catstudio.

Most of his illustrations are created using and combining

traditional media with contemporary apps.