Markos moved to Prince of Wales Island as a teenager and grew up in rural Southeast Alaska communities including Thorne Bay, Hollis, Klawock, and Ketchikan. Living close to the water fostered a deep respect for the ocean and the people whose livelihoods depend on it.

Early work in seafood processing gave him firsthand insight into Alaska’s seafood economy—experience that would later shape Seagrove’s disciplined, scalable approach to mariculture.