The motivational and optimistic Meir Kalmanson, who is better known by his stage name Meir Kay, is all about spreading a message of positivity and kindness, whether that’s through his viral social media videos, hosting The Great Day Podcast, or through public speaking engagements. He loves to travel, act, run marathons, write, and create films that spread positivity, respect, and human connection. His book, A Kids Book About Optimism, was publish...