adviceagusaiamericaanalystbackbetterbuildingcareercarrcommunitydaviddreameconomicseducationendfailingfailurefinancefintechfoundergoodgratitudehomeinterviewintrointrovertjobjoshjourneylearninglessonslovemachinemanagementmanagersmarketmarketingmentalpersonalperspectivepeterquantitativeriskseasonshimkostarmerstartupstatqueststreetsudjiantotechtipstradingwallwork