Greg Macdonald is a Director at American Express at American Express. Colleagues describe him as "Greg is sharp! I am fortunate to have worked for Greg directly and alongside him as a peer. Greg’s thought provoking approach to business concepts coupled with his unwavering pragmatism and enthusiasm ignite the workforce around him. He continually shapes the innovative and strategic thought of his direct reports and peers through his vast intellect, thought leadership, charismatic energy, and strong business acumen. Greg has established an incredible reputation and impeccable personal brand. I am confident these views are also shared and advocated by Greg’s colleagues. I highly recommend Greg as I know he is a valuable asset to any team."