Staff Directory
Jim Yager
Director of Account Development
Client Support Services, New Product & Materials Information, Establishing Customer Restorative Preferences, Resolving Technical Issues or Questions

Lynda Lofgren
Regional Accounts Manager
Client Support Services, New Product & Materials Information, Establishing Customer Restorative Preferences, Resolving Technical Issues or Questions

Dustin Heffron
Regional Accounts Manager
Client Support Services, New Product & Materials Information, Establishing Customer Restorative Preferences, Resolving Technical Issues or Questions

Jerri Schwark
Customer Service Representative
Case Scheduling, Price Quotations and General Questions for the Crown & Bridge, Cosmetics, Full Denture, and Partial Denture Departments

Buffy Close
Customer Service Representative
Case Scheduling, Price Quotations and General Questions for the Crown & Bridge, Cosmetics, Full Denture, and Partial Denture Departments

Wendi Love
Digital Files Customer Service Representative
Case Scheduling, Price Quotations and General Digital File Questions for the Crown & Bridge, Cosmetics, Full Denture, and Partial Denture Departments

Axel Kufner
Crown & Bridge/Cosmetics Department Manager
Porcelain Fused to Metal, Captek, All Metal, IPS e.max Monolithic and Layered, cubeX2 and cubeONE Cubic Zirconia, cubeONE ML Zirconia, BioZX2 Translucent Zirconia, BruxZir Solid Zirconia, DAL EZ Esthetic Zirconia, Stacked Porcelain Veneers, Premise Indirect, Provisionals, Attachment Cases

Doug Dudas
Technical Consultation & Customer Development
Porcelain Fused to Metal, Captek, All Metal, IPS e.max Monolithic and Layered, cubeX2 and cubeONE Cubic Zirconia, cubeONE ML Zirconia, BioZX2 Translucent Zirconia, BruxZir Solid Zirconia, DAL EZ Esthetic Zirconia, Stacked Porcelain Veneers, Premise Indirect, Provisionals, Attachment Cases

Becky McAvoy
Technical Support – Crown & Bridge/Cosmetics Department
Case Scheduling, Price Quotations and General Questions for the Crown & Bridge and Cosmetics Departments

Steve Venyak
Full Denture Department Manager
Full Dentures, DAL Second Nature Partial Dentures, Cu-Sil Partial Dentures, Bite Splints, Mouthguards, Snoring/Sleep Apnea Appliances

Brian McClone
Partial Denture Department Manager
Vitallium 2000 Plus Partial Dentures, Equipoise, Saddle-Lock, Esthetic Partial Alternatives, Attachment Cases, Valplast and DuraFlex Thermoplastic Flexible Partial Dentures, Ultaire AKP Metal-Free Partial Dentures

Elisa Parr
Technical Support – Full/Partial Denture Department
Case Scheduling, Price Quotations and General Questions for the Full and Partial Denture Departments

David Nevarez
Technical Support – Full/Partial Denture Department
Case Scheduling, Price Quotations and General Questions for the Full and Partial Denture Departments

Jeff Stubblefield
Implant Division Manager
The DAL Implant Borne Bridge, Screw-Retained Restorations, Custom Abutments, Fixed/Removable Implant Restorations

Jamie Watson
Technical Support – Implant Department
Case Scheduling, Price Quotations and General Questions for the Implant Department

Sarah McBride
Customer Service Representative – Implants
Case Scheduling, Price Quotations and General Questions for the Implant Department
Officers
A. Terry Knueppel – Chairman
Bruce Colgin – CEO
Scott Clark – President
Rob Colgin – Vice President, Sales & Marketing
Rosanne Nau – Vice President, Accounting
Maggie Dempsey – Vice President of Information Systems & Corporate Development
Accounting
Vikki Krog – Accounts Receivable
Lorraine Hazelwood – Accounts Payable
Miscellaneous
Bill Schwenk CDT – Laboratory Manager
Leah Hughey – Human Resources Manager
To contact one of our affiliate laboratories via email:
DAL Signature Restorations
Jeff Stubblefield – Laboratory Manager
Jamie Watson – Production Manager
Sarah McBride – Scheduling Coordinator
Dental Arts • St. Louis
Jim Gugliano – Laboratory Manager
Sandy Haney – Assistant Laboratory Manager
Dental Arts • Lincolnshire
Goran Demidzic – Laboratory Manager
Accudent Dental Laboratory
Kathy Crawford CDT – Laboratory Manager
Carriann Kesler – Office Manager
Ancer Dental Laboratory
Rich Hartmann – General Manager
Karol Slowikowski – Laboratory Manager
Dental Arts • Springfield
Jeremy Ackermann – Office Manager
Dental Arts • Galesburg
Mary Russell – Office Manager
Jane DuBois – Technical Manager
Dental Arts • Princeton
Barry Nordstrom – Laboratory Manager
RTI Prosthetics
Jeff Elam CDT – Laboratory Manager
Janie Law – Office Manager
Professional Prosthetics
Alex Thomas – Laboratory Manager
Heritage Dental Laboratories – IL
Bill McCormick CDT – General Manager
Anna Swietczak – Laboratory Manager
Heritage Dental Laboratories – MI
Bill McCormick CDT – General Manager
Yassine Ayoubi – Laboratory Manager
Colonial Dental Studio
Alex Thomas – Laboratory Manager
Kim Farley – Production Manager