Our Staff

To reach a member of the Willow Tree team, call 920-436-8881 and the extension listed below. Willow Tree's hours of operation are from 8:00 am - 5:00 pm, Monday through Friday.


Willow Tree Staff:

Megan Hackl, Advocate & Forensic Interviewer

ext. 3005

Amy Wetzler, Therapist

ext. 3009

Kristie Sickel, Program Supervisor & Child Forensic Interviewer

ext. 3006

Becca Wilbershide, Prevention Specialist

ext. 3003

Jodi Stahl, Receptionist & Advocate

ext. 3001


Medical Team:

Jennifer Yates, Nurse Practitioner

ext. 3007

Kristine Grzybowski, Certified Medical Assistant

ext. 3013



Tana Koss, Division Director

ext. 1252



For after-hour calls or crisis situations, please contact the Crisis Center of Family Services at 920-436-8888.