Contact SITC

SITC staff is available to answer questions and help with any problems you encounter. Direct all general questions to or call +1 414-271-2456 to contact the appropriate staff person listed below.

The SITC Executive Office is open Monday through Friday from 8:00 a.m. – 5:00 p.m. CT.

Direct all mail correspondence to:
Society for Immunotherapy of Cancer
555 East Wells Street, Suite 1100
Milwaukee, WI 53202-3823 USA

SITC Staff

Executive Office

Tara Withington, CAE
Executive Director

Angie Kilbert
Director of Administration

Rosie Stelpflug, MS
Executive Assistant



Julie Frinzi
Director of Communications

Erin Irelan
Communications Manager

Andrew Palios
Communications Manager

Adam Wise
Digital Communications Manager




Jody Felski
Senior Development Manager

Mindon Laue, MA
Development Coordinator


Education - Live

Alicia Sukup
Director of Education Programs

Betsy Foss-Campbell, MA
Senior Program Manager

Michelle Johnson
Program Manager

Donnette Tinsley
Program Manager

Kayla Lemmon
Program Manager

Brenna Ranzen
Education Coordinator


Education - Online

Mike Scorzo, EdD
Director of Online Education

Claire Leischer
Education Manager

Lianne Wiggins
Program Manager

Katie Agard
Online Education Program Manager


Journal for ImmunoTherapy of Cancer

Andrea Rindo
Managing Editor



Nadine Couto, CMP
Director of Meetings

Anna Douangphachanh
Meetings Manager

Cari Grulke
Meetings Coordinator



Nichole Nikolic
Director of Membership

Chris Balderrama, MBA
Membership Manager


Scientific Programs

Esther Berkowitz, MBChB, MA
Director of Scientific Affairs

Chelsey Meier, PhD
Medical Writer

Stefanie Haasken, PhD
Proposal Writer

Johanna Moerke
Project Manager


Strategic Partnerships

Kate Flynn, MPA
Director of Strategic Partnerships