Staff Directory

President's Office

Ellen Censky, PhD President & CEO 414-278-2746
Aimee Reistad Executive Assistant to the President & CEO 414-278-2748


Business Office

Ryan O'Desky Senior Vice President of Operations & Finance 414-278-6939
Gail Boym Corporate Controller  
Lori Sparks Accounts Payable Coordinator  
Kristine Orozco Cash Manager  
Brian Aspriesnig Mailroom Clerk  
Kathleen Agresti Cash Audit Clerk  

Alec Zapushek  Director of Retail Operations 414-278-6177
Brian Ahrens Manager of Retail Operations 414-278-6981

Human Resources
Lisa DeMartino Director of Human Resources  

Marketing & Audience Development

Eric Schmitt Vice President of Marketing and Audience Development 414-278-2733
Integrated Marketing
Jenni Tetzlaff Director of Integrated Marketing 414-278-2784
Stevie Otap Web Content Editor  
Kaylee Bast Marketing Media Coordinator 414-278-6143
Lisa Bliffert Senior Graphic Designer  
Valerie Necci Graphic Designer  
Jonathan Haas Digital Media Producer 414-319-4657
OPEN Special Events Director 414-278-6934
Nicole Brushel Events Coordinator
Visitor Services
Tim Malenock Director of Visitor Services 414-278-6174
Deb Heinzmann Assistant Director of Visitor Services 414-278-2751


Curatorial, Programs, and Exhibits

Christopher Tyrrell, PhD Research Curator, Botany & Director of Collection Informatics  
Jennifer Zaspel, PhD Research Curator, Zoology & Director of Puelicher Butterfly Wing  
Patricia Coorough-Burke Curator of Geology Collections/Senior Collections Manager  
Al Muchka Curator of History Collections/Senior Collections Manager  
Dawn Scher Thomae Curator of Anthropology Collections/Senior Collections Manager  
Julia Colby Zoology Collection Manager  
Alyssa Caywood Collections Digitization Manager  
Sara Podejko Registrar  
Education and Public Programs
Meghan Schopp Senior Director of Education &  Programs  
Richard Hedderman Education Programs Coordinator  
Amanda Stopar Volunteer and Internship Manager  
Cody Adams Educator  
Jennifer Keim Educator  
Jaclyn Kelly Educator  
Maisie Buntin Outreach Program Coordinator  
Dawn Koceja Multi-generational Programs and Accessibility Coordinator  
Erin Goff Public Programs Coordinator  
Alicia Eith STEM & Outreach Educator  
Erica Kelly Educator  
Daniel M. Soref Dome Theater and Planetarium
Bob Bonadurer Director of Theater and Planetarium  

Exhibits and Design
Emilio Bras Production & Exhibit Artist  
Nancy Kruschke Artist II



Development and Membership

Julie Quinlan Brame Senior Vice President of Development 414-278-6986
Kaye Leszczynski Senior Director of Development 414-278-2792
Diane Hastreiter Major Gifts Coordinator 414-278-6128
Lisa Pieper Director of Individual Giving 414-278-2739
Roselyn Smolej-Hill Director of Planned & Major Gifts 414-278-6129
Suzanne Wilson-Davis, Ph.D. Director of Institutional Giving 414-278-6983
Stacey Greenwaldt Director of Membership 414-278-6126
Debbie Prater Mitchelson Director of Stewardship, Event Development, and Major Gifts 414-278-6138
Chris Zello Prospect Research and Database Manager  
Natalie Fairbanks Communications Coordinator  
Shareen Little Donor Records Coordinator  
Sarah Manke Development Events Coordinator  


Information and Electronic Systems

Greg Post Director of Information Services and Electronic Systems 414-278-2740
Rick Scholl Electronic Systems Engineer  
Keith Behrendt Systems Network Analyst  
Matt Riley Systems Analyst  
Natalie Ross Collections Data Coordinator  


Facility Operations

Dan Lockren Director of Facilities 414-278-2738
OPEN Director of Public Safety and Security 414-278-6178