Meet Our Staff
Our dedicated team is committed to providing clinical mental health services to UD students.
We can be reached 937-229-3141, counselingcenter@udayton.edu or on the first floor of Gosiger Hall.
Holly Harmon, Ph.D., LISW-S
Director
Tiffany Horner, LPCC-S
Associate Director
Brittany Corcoran, LPCC-S
Assistant Director, Clinical Supervision and Training
Szilvia Jenei, PsyD
Therapist
Tyler Kennedy, LPCC
Therapist
Kaitlyn King, LISW-S
Therapist
Cassie McKoy, LPCC-S
Part-Time & Athletics Therapist
Joia Mitchell-Holman, LPCC
Therapist
John D. Petry, LPCC-S
Therapist
Erin Walsh Shiner, Ph.D.
Contract Therapist
Dawn Teel
Front Desk Specialist
Allie Brandt, MPH
Office Manager
Psychiatry Staff
Jacob Kreuzmann, APRN-CNP, PMHNP-BC
Certified Nurse Practitioner
John Sullenbarger, M.D.
Psychiatrist
Graduate Trainees
Sheena Arting
Doctoral Trainee
Jack Behr
Doctoral Trainee
Rebecca Buzzell
Doctoral Trainee
Logan Fox
Clinical Mental Health Counseling Trainee
Nicole Kiszenia
Social Work Trainee
Katie Mathews
Clinical Mental Health Counseling Trainee
