What is paul grilly?

As an AI language model, I don't have information about all the persons named Paul Grilly. However, there are some notable individuals with this name:

1. Paul Grilley: He is a yoga teacher and the creator of Yin Yoga. He has been teaching yoga since 1980 and has trained thousands of yoga teachers worldwide. He is the author of several books on yoga, including "Yin Yoga: Principles and Practice" and "The Yogi's Roadmap."

2. Paul Grilly: I wasn't able to find any notable information about this individual.

Without more context, it's hard to provide more information about any specific Paul Grilly.