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Mark Hartman


Mark has won "Best Hairstylist" by the Nashville Scene for the past 5 years! He has been the lead stylist for several TV shows and well as the Oprah show and was the Titan's Cheerleaders stylist for their first decade in Nashville. He spends much of his free time riding and loving on his horses. Mark is also an accomplished chef. He learned to cook southern food as a boy in his father's restaurant and still can cook up a storm.

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Kat Lewis

Lead Master Stylist

Kat is one of Nashville's top stylists and when she's not making our clients look amazing, she enjoys working on her home/farm in Lebanon, TN and spending as much time as possible riding her horses, Imperio and Six.

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Rachel Wehby

Master Stylist

Rachel is an accomplished hairstylist. Her color work, especially balayage, is some of the best anywhere. Rachel has become a blonde specialist creating stunning blondes from all tones of hair.  She is a Nashville Native who loves spending her off time with her dog and friends. She also enjoys hiking and photography.

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Dana Thrasher

Master Stylist

Dana has been a Paul Mitchell educator for several decades. When she's not at Cognito, she enjoy teaching and training professionals. Dana enjoys working on her spring and summer garden, traveling and spending time with her cats.


Aissa Ward


Originally from Southern California Aissa translates her laid-back style into the hair she creates. Aissa specializes in balayage and lives in color. In her free time, she enjoys cooking, traveling, and spending time with her family. 

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