In the last two weeks, we've seen a passenger jet shot out of the sky. A super-bug has emerged in Asia. A bun fight in the democratic primaries which will look like a schoolyard tussle compared to the bare-knuckle cage match we're about to witness in the race to become — or remain — the leader of the free world.

When Scott Raymond started buying real estate, he looked for a property management company to maintain his buildings. He couldn't find anyone to care as much as he did, so Raymond decided to start his own property management business.

Wes Winham was a co-founder and shareholder in PolicyStat, a software company that helps hospitals keep track of their Standard Operating Procedures (SOPs), including everything from dress codes to how to handle life and death procedures.

Marc-Andre Seguin launched JazzGuitarLessons.net in 2009 to share his knowledge as a guitar teacher.

Dr. David Bach is a Harvard-trained scientist, physician, and serial entrepreneur.

Zain Hasan started an insurance agency called National Insurance Consulting Group (NICG), in 2014.

Jean-Eric Plamondon was in the scrap metal business where the stereotypical operator is a shady character buying metal by the ton with a blow torch in one hand and a wad of cash in the other.

Michael Houlihan and Bonnie Harvey built Barefoot Cellars to sales of more than 600,000 cases of wine per year when they got the attention of R&J Gallo, America's largest winemaker.

In 2013, Alex McClafferty co-founded WP Curve, a company that provided IT support for people with a WordPress site.

Starting from humble beginnings, Sherry Deutschmann built LetterLogic into a $40 million juggernaut which she sold recently for more than seven times EBITDA.