Kansas City Volunteer of the Month: David Thornhill is the Founder and Creative Director of Nuance, a marketing and advertising agency. We have been lucky enough to work with him over the last few years. David provides creative branding support on all our campaigns and events and is such an important part of HALO. We are so grateful for David's insight and experience and are thankful we are able to work with him on so many projects. Thank you so much David!