Email addresses for reaching 5 executives at United Healthcare insurance company:

COO Stephen J. Hemsley - stephen_j_hemsley@uhc.com
Senior Vice President and Treasurer - Robert Oberrender - Robert_W_Oberrender@UHC.com
CFO Patrick J. Erlandson - patrick_j_erlandson@uhc.com
Director, Investment Management - stephen p henry - steven_p_henry@uhc.com