Over the past decade Elizabeth Tan expanded her family’s shoe business to 50 stores in 10 countries and founded Sight to Sky, which has provided eye care to 15,000 people living in the Himalayas. What has she learned?

Over the past decade Elizabeth Tan expanded her family’s shoe business to 50 stores in 10 countries and founded Sight to Sky, which has provided eye care to 15,000 people living in the Himalayas. What has she learned?