[1][2] He is known for his interviews with inspirational people and Vlogs, where he posts updates about obscure places, including a Bolivian mine and while rafting down the Amazon.

He attended Rabbinical school in Singapore, and afterwards felt called to spread kindness and joy in unexpected ways, by video.

He began this career in March 2010 and uploaded his first YouTube video titled "Bubby Luba's Song”, inspired by his grandmother.

The professor takes out an empty jar and fills it with first golf balls, followed by pebbles, sand, and finally beer.

It features Kalmanson playing a waiter in a food chain, where a kid comes with limited money and couldn’t order what he wanted.