Refer to the input text as context and select the correct relationship between 'Samuel Issacharoff' and 'New York University' from the available options.
Options: operator, position held, employer, member of

Friedman's lawyers, New York University law professor Samuel Issacharoff and Theresa Trzaskoma of Brune & Richard, have said he used Ravelo as an informal sounding board, to the benefit of the class.
employer