George Economou has a rival for top outside investor in Seanergy Maritime 9 January 2025 Costamare chief executive Konstantinos Konstantakopoulos lifts stake to 9%Author: Capt. Johnhttps://www.tradewindsnews.com/bulkers/george-economou-has-a-rival-for-top-outside-investor-in-seanergy-maritime/2-1-1761917