Dave Adam, Chairman and CEO, United States Maritime Alliance (USMX) Addresses ILA Convention and discusses ILA-USMX commitment to safety; Negotiating With Harold Daggett “He’s a tough negotiator with a huge heart.” Dave Adam says ILA President Harold Daggett is always going to everything he can for ILA members. The Management leader also talked about Cargo Growth and the benefits of providing.a stable workforce. New Six-year Master Contract has already seen increases in cargo. “We’re doing the right things,” Chairman Adam said of the ILA and USMX.