With the refi boom drying up and mortgage lenders eager to grow their purchase loan business, LendingTree will be counting on its new vice president of sales, Sam Mischner, to grow sales. Mischner will be responsible for new lender sales, account management and lender operations, working with account managers and more than 300 lenders on the LendingTree network, the company said. Source: prnewswire.com.