The co-chief executive of exchange traded fund business WisdomTree Europe has earmarked further expansion into European markets, with plans to double staff over the next 18 months.

Last week US-publicly traded asset manager WisdomTree Investments completed the acquisition of a 75% stake in leveraged exchange traded fund specialist Boost to create WisdomTree Europe. Some $20 million in cash has also been committed for WisdomTree Europe's expansion over the next four years.