$3 billion Crestline Summit is led by CIO Caroline Cooley.Crestline SummitTexas-based multimanager Crestline Summit is looking to grow.The $3 billion hedge-fund platform launched in 2015 from the firm's fund-of-funds business.The firm introduced cash hurdles for performance fees for its three strategies in May.For some hedge funds, a cash hurdle is seen as an olive branch to antsy investors frustrated by dwindling returns. For others, such as the $3 billion hedge-fund platform Crestline Summit, it is a part of their expansion plans.The Texas-based manager launched its multi-strategy offering in 2015 out of the firm's existing fund-of-funds business.