Here you will find links to people and work that I find interesting and may be useful to you as well.
Institute of Medical Illustrators
My professional body of choice. Great information and great support for Medical Illustrators, Graphic Designers and Photographers in Health Care.
Great tutorials, expert advice from a Disney animator. This is a link to his YouTube channel.
Follow Holly's journey as an illustrator on her excellent YouTube channel
Timothy Smith - Graphic Designer, Illustrator and Fine Artist.
This is a link to Timothy's presence on the Behance site. I really admire this guys digital portraiture and his technique.