David Stillman and his Generation Z son, Jonah Stillman, have written a book  to help bridge the generational gap. They discussed their book,  Gen Z At Work: How the Next Generation Is Transforming the Workplace,  on the Knowledge at Wharton show, which airs  on Wharton Business Radio on SiriusXM channel 111 . And just who makes up Generation Z? While there is disagreement over the definition of Generation Z, most demographers include people born between 1995 and the early 2000s. In the United States, those years include nearly 79 million people close to entering the workforce or in the first stage of their careers. But the Stillmans warn that employers shouldn’t confuse “Zers” with millennials, who are a generation older.  (Listen to the podcast at the top of this page.) The following are three key points from the conversation. Generation Z is ambitious and hardworking. Compared to the millennial generation, Gen Z is more competitive and independent.…