Whether it's coming up with new solutions to age-old challenges or conveying those experiences at industry conferences or with podcast audiences, Mark Sheppard embraces the opportunity to learn and share. Over the course of more than 30 years in the field, this "perpetually upgrading L&D geek" has benefitted from being immersed in a rich milieu of working environments and projects across North America, ranging from medical software, indigenous governments, automotive engineering, and military aviation.