Career
He founded Scottish Pacific Debtor Finance, an Australian trade-finance/invoice-discounting company (7th largest private company 1997–2000), which used factoring within the Australian market. In 2000 he sold Scottish Pacific Business Finance to Saint George Bank, where he then assumed the position of general manager of its business customer division. Isenberg was a director of Bank of Scotland subsidiaries in Australia including Capital Finance Limited, BOS International Limited and the holding company of Bank of Western Australia.
Isenberg was chairman of Factors Chain International, a network of factoring companies for international trade through factoring and related financial services.
Isenberg is managing director of Octet Finance Pty Limited, a company providing supply chain finance and working capital finance services in Australia and international markets. He is a director of National Hire Group, which has a 46% interest in Coates Hire, an Australian general equipment hire company.