Botanical Garden staff members and their contact information are listed below. For general information, please call 515.323.6290 or email

Kim Perez
President & CEO
Direct Phone: 515.323.6261

Molly Bonnstetter
Development Database Manager
Direct Phone: 515.402.4279

Azure Christensen
Chief Advancement Officer
Direct Phone: 515.323.6289

Susan Cory
Volunteer Manager
Direct Phone: 515.323.6293

Carolyn Formanek
Retail and Guest Experience Supervisor
Direct Phone: 515.402.4276

Aaron Harpold
Assistant Director of Horticulture
Direct Phone: 515.402.4285

Susan Hertzberg
Retail and Guest Experience Supervisor
Direct Phone: 515.402.4276

Kimberly James
Production Horticulturist
Direct Phone: 515.323.6296

Sara Lemke
Assistant Director of Philanthropy
Direct Phone: 515.402.4280

Spencer O’Bryan
Curatorial Technician
Direct Phone: 515.402.4284

Brenna Poock
Events and Venue Liaison
Direct Phone: 515.323.6295

David Regan
Assistant Director of Retail and Guest Experience
Direct Phone: 515.402.4281

Heidi Swan
Director of Finance
Direct Phone: 515.323.6263

Heather Wilson
Adult Education Coordinator
Direct Phone: 515.402.4277

Sydney Algreen-Hunter
Assistant Director of Education
Direct Phone: 515.323.6297

Diane Brockshus
Assistant Horticulturist
Direct Phone: 515.323.6296

Maggie Conner
Director of Marketing
Direct Phone: 515.402.4274

Ryan Drake
Ecological Horticulturist
Direct Phone: 515.323.6296

Laurie Haeder
Events and Venue Coordinator
Direct Phone: 515.402.4282

Marc Helm
Vice President of Facilities
Direct Phone: 515.323.6291

Leslie Hunter
Senior Horticulturist
Direct Phone: 515.323.6296

Amanda Jordan
Membership Engagement Manager
Direct Phone: 515.323.6265

Alex Nuzum
Youth Education Coordinator
Direct Phone: 515.402.4273

Laura Pence
Assistant Horticulturist
Direct Phone: 515.323.6296

Jackie Pullen
Chief Operating Officer
Direct Phone: 515.323.6263

Kate Selden-Egge
Executive Assistant
Direct Phone: 515.402.4275

Celia Ver Ploeg
Guest Experience Supervisor
Direct Phone: 515.402.4276