Hei Hei is a design duo made up of Liisa Graham and Zach Worton. 

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Liisa Graham studied at the Toronto Metropolitan University (formerly Ryerson University), where she obtained a Bachelor of Fine Arts in Photography, and a Master of Arts in Photography Preservation and Collections Management. Her personal artistic pursuits include photomontage, small art books, and various textile and needlework practices.  
 

Zach Worton studied art at the Alberta College of Art and Design. He is an accomplished cartoonist/illustrator, and published author, with seven graphic novels published by Drawn & Quarterly, Conundrum Press, and Koyama Press. Zach is also a musician, having played in musical bands since high school. He has recorded numerous albums and singles (currently: Wyrd Gnome). Zach also does hand painted sign work. 

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Liisa and Zach co-owned a little shop called Royal Flush Vintage from 2019-2023.