Our Staff

Staff members can be emailed at first.last@3dmoleculardesigns.com.

Professional Staff

Tim Herman, PhD, Managing Partner & CEO
Diane Herman, Partner & Vice President
     Cell: 414-305-5023
Heather Ryan, Director of Operations
     Cell: 414-331-0847
Bobbi Kuhn, Office Manager
     Office: 414-774-6562
Mark Hoelzer, Lead Model Designer
     Office: 414-277-4554
Rachel Mosey, Manager of Communications
     Office: 414-774-6562
Gina Vogt, Secondary Education Program Manager
     Office: 414-774-6562
Kristine Herman, Elementary Education Program Manager
     Office: 414-774-6562
Daina Wentland, Customer Service Assistant Manager
     Office: 414-774-6562
Adam Marchetti, Assistant Production Manager
     Office: 414-774-6562
Hannah Smith, Assistant Production Manager 
     Office: 414-774-6562
Shannon Smith, Graphic Design Specialist
     Office: 414-774-6562


Affiliate Staff

Vito Gervasi, Partner & Lead Engineer

Student Staff

We proudly provide employment opportunities for 12 to 26 MSOE students. Some package our kits and models. Others perform injection molding and foam stamping for many of our products.

Mailing Address



3D Molecular Designs 414-774-6562 414-774-3435
1050 N. Market St.    
Suite CC130A    

Milwaukee, WI 53202


Visitors are encouraged to make appointments. Building security prevents public access to our office.