Out of college, I taught business classes at high schools in the city of Chicago and suburbs. Then, I moved on to teach at Moraine Valley, Zinsser Secretarial School, Montgomery Ward and at DePaul University. After my teaching stint, I worked as a trainer and operations manager in business for many years. My two employers were Harris Trust and Savings Bank and Northern Trust. (Harris Bank is now known as BMO Harris).

If you need help in understanding business and how it operates, I am the t...