What is katsuaki?

As an AI language model, I do not have access to information about every person named Katsuaki. However, here are a few possibilities:

• Katsuaki Watanabe is a former CEO of Toyota, having served in that role from 2005 to 2009.
• Katsuaki Matsumoto is a Japanese animator and character designer who has worked on a number of popular anime series such as Gundam Wing, Infinite Ryvius, and Blood+.
• Katsuaki Nakamura is a professor of environmental and resource economics at Kyoto University in Japan, where he specializes in topics such as climate change, natural resource management, and economic development.