The project, costing $800m, is the two nations' biggest joint venture to date.
He has got several bigger ventures going with his father.
"It was my first big venture owning a building," he said.
But United States companies have weighed in with the biggest ventures by far.
But both countries let their biggest venture, the joint Kaesong industrial park, remain open, though its operations are expected to be crippled.
"You're basing a mighty big venture on very little evidence, Spock," he pointed out.
But Billy was destined for a time to forget his alfalfa in the excitement of bigger ventures.
It's a big, high-risk venture, but I would judge it worth taking.
Her big venture came when she discovered that two acres of swampland on the Whipple property could be converted into money.
Its public companies - the field's three biggest ventures are private - are small, with revenues of less than $100 million each.