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Medical Director

John P. Johnson, MD, FAAP

Lab Director

Dongbin Xu, Ph.D

Clinical Geneticists

James F. Reynolds, MD, FAAP, FACMG
Samuel P. Yang, MD, FAAP

Molecular Diagnostics/Pharmacogenetics

Jonathan Schoof, BS, CLSp(MB)
Corbin Schwanke, BS, CLSp(MB)
Katie Styren, BA, CLSp(MB)

Cytogenetics and FISH

Karen Ellsworth, CLSp(CG)
Sandy Phillips, BS, CLSp(CG)
Tammy Schwalbe, BS, CLSp (CG)
Mary Tunby, BS, CLSp(CG)
Amy Zearfoss, BA, CLSp(CG)

Maternal Serum Screening

Joan Fitzgerald, MS
Glynis Scott, M.T.ASCP
June Warner, M.T.ASCP

Genetic Counselors

Katherine Berry, MS, CGC
Marissa Clark, MS, GC
Cindy Hudson, MA, MS, CGC
Tessa Pitman, MS, CGC