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HDI Service & Support World

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May 3-7, 2026
Caesars PalaceLas Vegas, NV

Contact Us

Registration | Customer Service Team

Leadership

Abbie Caracostas
Portfolio Director, Events and Training, HDI

Cindee Stott
Events Director

Tad Munroe
Director of Sales

Marketing

Sarah Wilkerson
Senior Marketing Manager, HDI Events

Content & Training

Julie Schlumpf
Training Operations Manager
212.600.3951

Bonnie Wallace
Content Manager, Digital Learning
847.997.4670

Training, Consulting & Certification Sales

Shea Knauff
Territory Account Manager (South Central), Training
904.819.6647

Tina Buchberger
Sr. Account Manager (West), Consulting and Services
312.813.4205

Marlena Turner
Territory Account Manager (Midwest), Training
540.614.2427

Reporting Any Concerns

Zach Holback

You may also contact Informa’s confidential whistleblowing line, Speak Up.