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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.

Stephanie Huhn, MA, LLP

Stephanie Huhn, MA, LLP

Licensed Psychologist

Stephanie is a master’s-level licensed psychologist (LLP) who has been practicing psychotherapy for over 10 years. Stephanie works with adolescents and adults and has a passion for helping…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.
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.

Jacob Wilhelm, LPC

Jacob Wilhelm, LPC

Licensed Professional Counselor

Jacob Wilhelm, LPC is a fully licensed professional counselor in the states of Missouri, and Michigan. Jacob received his undergraduate degree from the University…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.