Does the world of business — in the past dominated by men — pose any special challenges for women?

Small-business owners say they love the freedom, flexibility and earning potential of working for themselves. But Joel Martin, the former owner of a $20 million New York-based advertising agency, said no one should go into business without an exit plan.

Women who become entrepreneurs don't miss the corporate glass ceiling, but while some women business owners say that they do not encounter gender bias in the business world, others complain that they have to demonstrate an extra level of excellence and competence to men and women alike.

Two entrepreneurial CEOs shared some of the challenges they have faced and lessons they have learned with attendees at "Entrepreneurship: From IP to IPO and Beyond," a seminar presented by the W. P. Carey MBA Executive Program.

Services now account for a staggering 80 percent of the U.S. Gross Domestic Product and labor force, but many still view the world through manufacturing lenses, according to W. P. Carey experts Mary Jo Bitner and Stephen Brown.

Chris Zane goes to work every day with a smile on his face, buoyed by his philosophy that "most of the population are good and sound and trustworthy people." Sound naïve? Perhaps. But Zane apparently knows what he's talking about.

The most enduring companies change the experiences — even the lives — of the people they serve. That is certainly true of the six winners of the 2013 Spirit of Enterprise Awards from the W.P. Carey School of Business.

The W. P. Carey School’s annual annual Spirit of Enterprise Awards “are designed to recognize real entrepreneurs -- those capable of starting something, growing it and sustaining it through thick and thin with constant innovation and customer focus,” according to Dean Robert Mittelstaedt.

The 2012 W. P. Carey School of Business Spirit of Enterprise Award finalists represent a wide variety of small businesses, but regardless of their industry, their success stories sound similar chords. KnowMGMT has identified five of those strategies, measures any business owner can apply.

I have had all manner of tenants in the past, good and bad. With experience, I have developed a successful application process that helps me to find the best possible tenants. After the successful first phone call, now it is time to schedule the showing.