Passengers stand in line to go through a TSA security checkpoint I have always spent extensive time traveling for business over the past 15 years.  Even prior to starting PK4 Media, I ran national sales teams with five U.S. offices and our parent company was based in the United Kingdom. Since launching PK4 Media in 2009, I have spent at least …

Kristin Karst is the cofounder, co-owner and executive vice president of AmaWaterways, a family-owned river cruise company created in 2002 with a fleet of 20 award-winning ships in Europe, Asia and Africa. The successful businesswoman grew up during the Communist period in East Germany, which, she says, has had a huge impact on her career and spawned her two greatest passions: …