During the past fifteen years, Marko taught over 2,500 students in eight different subject matter classes at four different AACSB accredited Business Schools. He conducted various undergraduate and graduate management, entrepreneurship, and leadership classes in classroom settings of 5 to 100 students as well as in online classes.
As a faculty advisor, Marko formed a SIFE (Students in Free Enterprise) Chapter at Millsaps College in 2011. Under his guidance, the Chapter grew from 8 students and one project in the first year to 25 students executing 4 projects during the second year. The Chapter was honored “Rookie of the Year” for their first ever presentation at the SIFE Regional competition in Dallas in 2012.