Dan Duffy

Dan Duffy is an American entrepreneur and business executive, primarily known as the co-founder and former CEO of Groupon, an online marketplace connecting subscribers with local merchants by offering discounted deals and promotions. Duffy played a significant role in the rapid growth and initial success of Groupon during its early years.

After leaving Groupon, Duffy co-founded Lightbank, a venture capital firm focused on investing in disruptive technology companies, particularly in the Chicago area. Lightbank has provided funding and mentorship to a variety of startups.

Duffy has also been involved in other entrepreneurial ventures and philanthropic activities. He is often cited as a prominent figure in the Chicago tech and business community. His contributions have helped shape the city's entrepreneurial landscape.