When Dr. Juanita M. Parris graduated from McGill University, she followed a friend who had found a position at Sun Chemical. After joining Sun Chemical in 1993, Dr. Parris began working with industry-leading scientists, who helped her forge her own path.     “A friend who I had done my master’s with had relocated from Montreal to New Jersey and was working in the coldset group,” recalled Dr. Parris, who is now global director of application & material, analytical, polymer and color for Sun...