Mike Duncan

Member Type Non-member

Mike Duncan is a third-generation Wilmington native and UNCW alumnus. In 1997 he co-founded Sage Island, a local marketing agency. Led by a digital-minded team that began as a programming company serving high-profile clients, Sage Island agency quickly evolved with the internet. Today, Sage Island has built a powerful reputation through award-winning designs, full-service brand strategy, and internet marketing services. Sage’s clients range from hundreds of local businesses to a number of Fortune 500 companies both nationally and internationally.


As CEO and Creative Director, Mike oversees a staff of 20 talented marketing strategists, graphic designers, and programmers. He is a nationally sought-after speaker for ecommerce, social media, web design and SEO.Mike, a designer at his core, ensures Sage Island’s process is a dynamic one that allows for creativity to be paramount, leading the way to powerful marketing solutions for its clients. He is an innovative thinker and entrepreneur with expertise in start-ups, turnaround and rapid growth.


Unafraid to experiment with cutting edge technologies, developing tools and constantly evolving Sage Island’s toolkit, he  keeps the agency at the forefront in the Wilmington area and far beyond. Mike also has founded several other businesses, both on and off the web. Mike and his team’s involvement in these businesses yields the dynamic, comprehensive and cutting-edge approach Sage Island is known for.

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