Apple Inc. marketed the IPhone 4.
Steve Kuhn -LRB- born 1969 -RRB- is an American financial executive with over 20 years of experience .. He previously worked at Pine River Capital Management LP as Partner and Co-CIO .. Kuhn has previously held positions at Cargill , Citadel LLC and Goldman Sachs .. Cargill. Cargill. Citadel LLC. Citadel LLC. Goldman Sachs. Goldman Sachs