1. Humility

One of the most important traits in life and business leadership is humility. While at first glance, it may be hard to connect humility to a strong work ethic, Robert Testagrossa mentions that a person who is truly humble has a clear idea of what his weaknesses are -- and he works doubly hard on them. Being humble also involves being open-minded when corrected and giving the best effort for the team's sake.

2. Professionalism

Professionalism is a trait that people with strong work ethic cannot do without. This quality shows a person's dedication to the job and it can also show people that a person is willing to go the distance for what they do, so it works very well together with the next trait on this list.

3. Determination

It should not come as a surprise to anyone that determination is a key ingredient to a strong work ethic. Robert Testagrossa explains that business leaders always encounter hardships, some of which may make a lot of people quit. Determination is what will keep them from surrendering when the tough gets going.

Based in New York City, serial entrepreneur Robert Testagrossa is passionate about building businesses and is active in the software development, cryptocurrency, retail, and luxury hospitality industries. For more information, visit this page.