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/Child Forensic Interviewer

ext. 3005

Risa Janowski, Therapist

ext. 3009

Kristie Sickel, Child Forensic Interviewer/Program Supervisor

ext. 3006

Becca Wilbershide, Prevention Specialist/Advocate

ext. 3003


Medical Team:

Kristine Grzybowski, Medical Assistant

ext. 3001

Jodi Stahl, Advocate/Receptionist

ext. 3001

Jennifer Yates, Nurse Practitioner

ext. 3007



Tana Koss, Director

ext. 1252

Kristie Sickel, Program Supervisor

ext. 3006



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