Contact Us

Internal Audit Staff

Long Island University

Stan Bertschuk
LIU Internal Auditor
University Center
700 Northern Boulevard
Brookville, NY 11548
516-299-3956
stan.bertschuk@liu.edu

Grant Thornton

Brian Alessi
Grant Thornton Senior Associate and
LIU Internal Auditor
666 Third Ave, New York, NY 10017
646-825-8446
brian.alessi@us.gt.com
brian.alessi@liu.edu

Matthew Lerner
Grant Thornton Manager and
LIU Internal Auditor
666 Third Ave, New York, NY 10017
212-542-9816
matthew.lerner@us.gt.com
matthew.lerner@liu.edu

Mark Oster
Grant Thornton Principal
666 Third Ave, New York, NY 10017
212-542-9770
mark.oster@us.gt.com

Ruth Stevens, PMP, CIA
Grant Thornton Director and Long Island University
Internal Audit Director
666 Third Ave, New York, NY 10017
212-542-9892
ruth.stevens@us.gt.com
ruth.stevens@liu.edu