Internationally recognized artist Mark E Mehaffey is a signature member of the American Watercolor Society; Dolphin Fellow, the National Watercolor Society, Watercolor USA Honor Society, the Transparent Watercolor Society of America; Signature Life Member - Master Status and Distinguished Master, Watercolor West, the Rocky Mountain Watermedia Society, the Louisiana Watercolor Society; Signature Life Member, the International Society of Experimental Artists, Signature Life Member and the International Society of Acrylic Painters.

Mehaffey has won major awards in juried exhibitions internationally including the Silver Medal of Honor (twice) and the Arches Paper Co Award from the American Watercolor Society, the Beverly Green Memorial Purchase Award from the National Watercolor Society, M. Grumbacher Gold Medal from Allied Artists of America, the Skyledge Award from TWSA, Biennial Award from the 2010 Shanghai Zhoujiajiao International Biennial Watercolor Exhibition, Best of Show from the San Diego Watercolor Society and guest artist for the Salon De L'Aquarelle 2015, Antwerp, Belgium. In 2016 Mark was honored with the new designation of "Distinguished Master" by the Transparent Watercolor Society of America for having over 20 total paintings accepted.

He wrote "Creative Watercolor Workshop", published in 2005 and it was rereleased as "Creative Watercolor and Acrylic Workshop" in 2013 published by Northlight Publishing. Mark has also created twelve instructional videos. He has appeared in many publications. He was featured in "Masters of Watercolor" written by Konstantin Sterkhov and "Inspirations & Technical Breakthroughs: Secrets from the Contemporary International Watercolor Masters Volume 1" written by Zhou Tianya & Ruan Hoe.

Mehaffey's paintings are included in corporate public and private collections including Blue Cross Blue Shield and The Arches Paper Co., USA. In 2018 Mark was invited to participate in the International Watercolor Masters Exhibition in Weston Park England. His work is included in the permanent collections of transparent watercolors at the Neville Public Museum, Green Bay, Wisconsin, the Muskegon Museum of Art, Muskegon, Michigan, the National Watercolor Museum of Mexico City, Mexico City, Mexico, Quanhua Watercolor Art Gallery, Zhoujiajiao, China and the Dachong Art Gallery, Zhongshan, China.

Mark is a popular juror, workshop instructor and lecturer.