Mark Sost is a technology advisor and interim technical leader currently engaged with ResortPass and Digital Citizen, LLC, while also serving as a fractional CTO since January 2023. Sost has extensive experience in leadership roles, including as CTO at HIVE TA Technologies Inc. and Senior Vice President of Technology at LeafLink, a leading wholesale cannabis marketplace. Additional previous positions include Senior Director of Software Engineering at SoulCycle Inc., Senior Director of Engineering at Hearst Digital Media, and Director of Engineering at VICE Media, where Sost built and managed technical teams across various projects. Sost's early career involved freelance work as a full-stack web developer/designer and as Director of Technology at MyPod Studios. Educational background includes a Bachelor of Music in Sound Engineering Arts and Classical Trombone Performance from William Paterson University.