<sod >â Stephen Martin, director general of the Institute of Directors, said that itâs âhard to overstate what a dramatic impact the current political uncertainty is having on business leaders, and the consequences could â if not addressed immediately â be disastrous for the UK economyâ.< eod>< sod > Stephen Martin, director general of the Institute of Directors, said on Monday that itâs âhard to overstate what a dramatic impact the current political uncertainty is having on business leaders, and the consequences could â if not addressed immediately â be disastrous for the UK economyâ.< eod>