Dimensional's Nathan Krieger As the institutional advice market has all but evaporated, US-based fund manager Dimensional Fund Advisors has shifted its focus to the growing second tier of advice networks and expanded it footprint in the domestic market by about 25 per cent over the last two years. The group has roughly $40 billion of funds under management in Australia – up from $30 billion two years ago. According to Nathan Krieger, co-head of client group at the $800 billion US-based quantitative-style fund manager, the institutional migration out of advice over the last five years has led to a new power base for advice centred on the middle market dealer groups.