Management Team 

Our Management Team has extensive experience and expertise on helping people with disabilities discover their abilities and develop solutions and programs that work for them.


One of the strengths of the AZTEC system is the stability and years of service this team of professionals represents.


See the contact page for more information.


Vincent A. Scott, Ph.D. 

Executive Director/President  


Donna Ohling 

Vice President - Programs & Development  


Rebecca Buescher 

Finance Director  


Robbie Knowlton 

Human Resources Director  


Julie Nibbelink 

Adult Services Director  


Roy Hughes 

Employment Services Director



Vickie Darr 

Support Services Director 



Peter Scherberger 

Facilities Maintenance Director