Degrees and Certifications:

Mr. William N Harris III


I am pleased to be the new freshmen teacher and Tennis coach here at Diman, after having taught for six years in Rhode Island and gaining over 18 years of industry experience.  

I graduated from LaSalle Academy in Providence and earned my bachelor's degree in Business Administration from the University of Rhode Island.  I have also completed many additional courses at the Community College of Rhode Island, Rhode Island College and now Fitchburg State while obtaining vocational licensure.    

For trade related accomplishments I possess; Rhode Island Pipe Fitter/Refrigeration License, Massachusetts Refrigeration License, EPA 608 Universal, Building Performance Institute (BPI) Building Analyst Professional Certification, Rhode Island Dept. of Health Lead Safe Renovator/Remodeler Certification, Viessman Vitosol Vi102 Solar Application & Installation Certification, JLG Aerial Work Platform and Telehandler Trainer Certification.    

For educational and safety related accomplishments I possess; Rhode Island Professional Teaching Certification, Massachusetts Preliminary Teaching Certification, OSHA General Industry Trainer and Construction Industry Trainer for 10 and 30 hour courses, and ESCO Institute Testing Proctor.

 I enjoy spending time with my wife and two children, performing home improvements/renovations, cooking, fishing and playing competitive tennis.