The Art of Negotiation | Maria Ploumaki Loading advertisement... Up next The 6 SNEAKY SECRETS You Can Use To WIN ANY EXCHANGE |Chris Voss & Lewis Howes Cancel Turn Off Light 0 Comments The Art of Negotiation | Maria Ploumaki adminMarch 29, 2021 March 29, 20210 Maria describes the most important skills behind successful negotiation, and she explains how to develop and master such qualities.