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Northville Staff

Caleb Siefert, Ph.D.

Caleb Siefert, Ph.D.

Clinical Psychologist

Dr. Caleb Siefert is a Licensed Clinical Psychologist with over 15 years of professional experience. Dr. Siefert earned his Ph.D. in Clinical Psychology from the Derner Institute…read more.

Amanda Gurny, Psy.D.

Amanda Gurny, Psy.D.

Clinical Psychologist

Dr. Amanda Gurny earned her Psy.D. in clinical psychology from the Michigan School of Professional Psychology. She also received her master’s degree in clinical psychology…read more.

Jackson Morehead, MA, RN

Jackson Morehead, MA, RN

Licensed Psychotherapist

Jackson Morehead is a licensed psychotherapist (TLLP and LLPC) in the state of Michigan with over 12 years of combined professional experience working in medical, mental health….read more.
Michael Bambery, Ph.D.

Michael Bambery, Ph.D.

Clinical Psychologist, Clinic Director

Michael Bambery, Ph.D., is a fully licensed Clinical Psychologist in the State of Michigan. He has over fifteen years of clinical experience. He earned his Ph.D. in Clinical Psychology from the University of Detroit Mercy. Read more.

Callie Jowers, MS

Callie Jowers, MS

Temporary Limited Licensed Psychotherapist

Ms. Callie Jowers received her M.S. in psychology in 2017 from Augusta University in Augusta, Georgia.  She also obtained her B.A. in psychology from Augusta University in 2013. She is currently completing her doctoral education…read more.

Kathleen Pierson, MA

Kathleen Pierson, MA

Temporary Limited Licensed Psychotherapist

Kathleen Pierson is a licensed psychotherapist (TLLP) in the state of Michigan. She earned her Master of Arts in Counseling Psychology from Moody Theological Seminary and Graduate school…read more.

Tom Spiker, B.A.

Tom Spiker, B.A.

Office Manager

Mr. Spiker is the office manager at Arbor Psychology Group. He earned his Hospitality Business Degree from Michigan State University. Mr. Spiker is responsible for organizing office operations (e.g., scheduling, insurance) and creating a warm…read more.