Led Brattle’s consulting support to attorneys and testifying experts on behalf of monoline insurers in a series of disputes regrading mortgage originators and RMBS sponsors concerning the quality of mortgage loans. Analyses focused on monitoring decisions in insurance and econometric and statistical analyses, as well as deposition support. Cases include Ambac v EMC (JPMorgan), which settled for $995 million in early 2016, and several pending, confidential matters.