People in the ink industry often say that printing ink runs in their blood. As a third-generation ink man, Marc Castillo, technical director for Braden Sutphin Ink, can certainly make that claim as well. “A third generation ink man, I started my career in 1973 with Sun Chemical in Kansas City, MO as a mill hand,” Mr. Castillo said. Mr. Castillo has risen through the ranks wherever he worked. After five years in Sun Chemical’s Kansas City lab, he was promoted to location manager for a servic...