Jack Talk Speakers Calvin “Kalvonix” Tiu Surrey, BC Calvin “Kalvonix” Tiu is a rapper, public speaker, writer and mental health advocate born and raised in Vancouver, BC. He is a Kwantlen Polytechnic University graduate with a Bachelor of Arts English Major and Minor in Counseling. Diagnosed with Cerebral Palsy at 12 months, Calvin has an intense passion for the art of storytelling and using it to inspire others to make a difference. When he isn’t giving Jack Talks, you are likely to find Calvin writing and recording his own rap songs and releasing them on Spotify and iTunes. He encourages creativity and helps others find their passion and follow them through.