
BLENDED CEMENTS WORKSHOP
Hyatt Regency Indianapolis
One South Capital Avenue, Indianapolis, IN
September 10, 2025
11:00 AM – WELCOME (Lunch Provided)
Michelle Wilson
Senior Director, Concrete Technology and Industry Outreach
American Cement Association
11:15 AM – FUTURE OF CEMENT
- History of Modern Portland Cement
- Evolving Cement Specifications
- Impact of Cement Characteristics on Concrete Performance
Michelle Wilson
Senior Director, Concrete Technology and Industry Outreach
American Cement Association
12:00 PM – MANUFACTURE OF PLC: Mitchell K4 Perspective
Toby Knott
Vice President, Cement Sales and Marketing – Midwest Region
Heidelberg Materials
12:30 PM – EVALUATION OF CEMENTITIOUS MATERIALS
- Review of Mill Test Report
- Mortar Tests
- Concrete Tests
Brian Killingsworth
Executive Vice President and Division Head, Promotion and Codes
National Ready Mixed Concrete Association
1:00 PM – QUALITY CONTROL: imi Perspective
Heather Brown
Vice President, Quality Control/Quality Assurance
Irving Materials, Inc.
2:00 PM – BREAK
2:30 PM – FRESH CONCRETE PERFORMANCE NEEDS
- Preparation and Execution
- Placing & Finishing
- Acceptance
- Mock-Ups
Michael Hernandez
Technical Director
American Society of Concrete Contractors
3:00 PM – WORKING WITH BLENDED CEMENTS: Contractor Perspective
Michael Hemmerling
Vice President
Weddle Bros Building Group
3:30 PM – PROJECT SHOWCASES
- Cement / Concrete / Contractor Perspectives
(Panel Discussion)
Project 1: Indiana University- Ferguson International Center
Heidelberg Materials- Toby Knott, Vice President, Cement Sales and Marketing
Irving Materials Inc- Heather Brown, Vice President, Quality Control/Quality Assurance
Weddle Bros Building Group, Michael Hemmerling, Vice President
Project 2: Residential- 217 Bluffs at Youngs Creek
Heidelberg Materials- Toby Knott, Vice President, Cement Sales and Marketing
Irving Materials Inc- Heather Brown, Vice President, Quality Control/Quality Assurance
W.E. Beaty Inc., Scott Beaty, Owner
Project 3: Indy Executive Airport Runway Extension
Buzzi Unicem USA- Ryan Betz, Manager of Technical Services
Shelby Materials- Eric Wagoner, Director of Quality Control
Milestone- Devin O’Dell, Manager, Quality Assurance
4:00 PM – ROUNDTABLE DISCUSSION
- Sustainability and Environmental Considerations
- Concrete Performance
- Construction Practices
- Research Needs
(Group Activity)
4:30 PM – CLOSING REMARKS
