Dr. Lasser has held and currently holds positions at Northwestern University, hospitals, and dermatological organizations, including:

Northwestern University, Associate Professor of Clinical Dermatology

Chicago Children's Memorial Hospital, Chairman – Section of Dermatology
North Shore University Health System, Consultant
Robert & Ann Lurie Children's Hospital of Chicago, Consultant

Chicago Dermatological Society, President
Illinois Dermatological Society, President
Great Lakes Dermatological Society, President
Noah Worcester Dermatological Society, President

American Medical Association, Member
Chicago Medical Society, Member
Illinois State Medical Society, Member

Honors