HALB EXTENSIONS AND EMAIL (516) 791-8200 Lauren Friedman Public Relations/Dinner Coordinator 107 Chaim Hollander Associate Administrator 125 Dini Jacobowitz Accounting 106 Lauren Korman Purchasing 109   Susie Openden Registrar 102 Esther Sklar Controller 104 Eileen Weinstein Assistant Administrator 105 Jeanne Weisberg Executive Assistant 103         Jack Tarzik Director- Avnet Country Day School 120 Ruth Einstein Coordinator- Avnet Country Day School 121          Richard Hagler Executive Director 101