Sachem High School Alumni
Lake Ronkonkoma, New York (NY)
William Onderdonk
Sachem High School
Class of 1985
→ Join 5840 Alumni from Sachem High School that have already claimed their alumni profiles.
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WILLIAM'S PROFILE
| First Name | William |
| Last Name | Onderdonk |
| Graduation Year | Class of 1985 |
| Gender | Male |
| Hometown | Holbrook, New York |
| Relationship Status | Married |
| About Me | Living and working in beautiful Lancaster County, PA. |
Class of 1985 Alumni
→ Reunite with 142 class of 1985 alumni that have joined.
Jason Gennaro
Class of 1990
Daniel Dobbek
Class of 1998
Craig Franco
Class of 1993
Alissa Weinstein
Class of 1985
Bill Ottesen
Class of 1989
Laurie Seus
Class of 1989
Susan Bancroft
Class of 1982
Joe Ruggiero
Class of 1983
Brianna Barone
Class of 2011
Kris Vurchio
Class of 1993
Judith Germeroth
Class of 1984
Diane Dowell
Class of 1980
Joseph Anthony
Class of 1978
John Ullenes
Class of 1977
Laura Murphy
Class of 1993
Sal Sax
Class of 1971
Lisa Buckshaw
Class of 1986
Vivian Sender
Class of 1993
Carolyn Holgerson
Class of 1987
Jennifer Welwood
Class of 1991
Karen Wenz
Class of 1979
Mike Thomas
Class of 1994
Donna Palumbo
Class of 1980
Brendan Saxe
Class of 2012
