Youth have tremendous power to affect multiple industries and the job market with all that they are interested in, he said.
He told his audience about various jobs in the industry, from board designers to graphic artists, to retailing and marketing.
"There are a long list of people drawing a paycheck from this industry," he said.
He also stressed the need for education and safety.
Skateboarding is harder than it looks, he said, warning his young listeners that it might take them a decade to be really good.
Willis said he's been working at the sport for about six years, first buying a cheap board from Walmart, then attending camp at Altered Skates.
"I started to get good, then started competing and started teaching local kids," he said.
A fresh wound on Willis' left elbow shows the toll the sport can take on a young body.
"It's harder than all the other sports," Willis said.
Bill and Sony Lovell watched as their son, Nate Zaloudek, tried some aerial tricks.
"He got into it because of his friends," stepfather Bill Lovell said. "I like that it's active and it pushes him to get better. But he goes through shoes like crazy."