Our Team
World-Class coaches at your fingertips
Sean
Hartman
Experienced cuber and top competitor with numerous contributions to the cubing community
Sean has been speedcubing since 2013. He has made multiple national, continental, and world championship finals, received 325 competition podiums, and achieved 6th in the world for Sum of Rankings across all WCA events in 2021. Sean also started a Cubing Club at Florida State University where he taught many students and community members how to solve numerous puzzles, helped them improve their solves, and brought many WCA competitions to Florida State for everyone to participate in. Sean is excited to use his extensive experience in all facets of cubing to provide valuable tips, tricks, and insight to help you become a better cuber.


Yangyang Shen (沈炀炀)
Pillar of China's Blindfolded Solving Community
*Yangyang currently only offers classes in Mandarin Chinese.
Yangyang is a dominant blindfolded speedcuber who began speedcubing in 2022 and, in less than 3 years, rose to become a pioneering figure in China, earning multiple podiums in blindfolded events. Beyond competition, Yangyang sets the standard for blindfolded education -- he serves as a knowledge hub in Chinese community chat groups, breaking down pain points for cubers at every level and publishing his own tutorials on social media. He has helped countless enthusiasts reach the sub-30 barrier. Standing firmly among the top-tier blindfolded solvers in China, Yangyang is delighted to draw on his extensive experience across all aspects of cubing to share tips, practice methods, and insights that will help you become a better cuber

