India, Sept. 5 -- Jonathan Kleisner, who once made millions of dollars on Wall Street, decided to walk away from it all to reinvent his career as a paramedic. Reportedly, it all started when he saw the workings of medics up close during the rescue of one of the members of his hiking party.

After this incident, Kleisner started distancing himself from his Wall Street identity in search of a new one, he told the New York Times during an interview. "It was like a protest," Kleisner said. "I wasn't serious. But I was sick of Wall Street."

Soon he found his new calling and started volunteering in Central Park as an EMT. At one point, he also started juggling his finance job and work as a volunteer medic. Later, he left his Wall Street life b...