Contact Us

1-877-LICENSE (542-3673)

15409 US Hwy 19
Hudson, FL 34667

Our Staff

Our first and most important job is student support…


Robert J. Koning  – Director / Instructor / Student Support
Currently a serving member of the ASTM committee and founder of Stucco Institute, Bob is actively licensed in many certified contractor categories – construction & electrical, and is a certified building official with all standard inspector, plans examiner and code analyst certifications. With more than 50 years experience, he has a credentialed and genuine working knowledge of all aspects of construction, inspection & contracting trades. In addition to his work as a leading forensic construction expert, Bob teaches and develops all categories of our construction & electrical exam prep & continuing education programs and watches closely the legislative process to ensure our voice is present in the regulation of our industry

Rhonda Koning – Director / Manager / Student Support
As a certified building and roofing contractor with an educational background in business, Rhonda has the field knowledge and education that gives her the edge in understanding the practical business needs of the industry. Her key role is that of managing director for the school, library and business services and she instructs classroom and internet courses. Rhonda works hard to ensure that the Contractors Institute maintains its position as the leading provider of industry related business and educational services.

Richard Elzey – Lead Instructor / Student Support
As our lead instructor Rich ensures our course material is up to date and coordinates the work of our staff instructors. He works on development of our online exam prep course materials and student locker references. Actively licensed in many areas, including as a Certified General Contractor, rich teaches business, general/builder/residential, swimming pool, underground, roofing and works with all of our specialty trade students. He has also developed and instructs the 120 hour home inspector pre-licensure course and many CE offerings.

Jeffery Hyde – Instructor / Course Development / Student Support
Jeff is well-known for his attention to structural design, code knowledge , application and technical skills. Licensed as a Certified General Contractor, he is a hands-on craftsman with more than 40 years of industry related knowledge. We receive many compliments about Jeff’s teaching abilities and we consider him a valuable asset.

Mike Plummer – A/C, Mechanical Instructor / Student Support
As a practicing Certified Air Conditioning, Building Contractor and class 1 energy rater, Mike stays very active in the industry. Mike has worked with us for many years instructing our A/C, Mechanical and Electrical students for exam prep and continuing ed. He also works with our Air Infiltration / Duct Leakage Certification program, Solar, Mechanical & Electrical inspector / Plans examiner courses.

Steven Wetzel – Residential Electrical Instructor / Blower Door 
Experienced in plumbing and air conditioning installations, he is within sight of completing his Construction Management Degree with Seminole State College. He is licensed as a state certified Mold Assessor and Home Inspector and works with our mold related services program; instructs and proctors our BPI blower door training and testing program: and our residential electrical inspector preparation course.

William Larder Jr. – CBO Instructor
A lifetime construction industry professional, Bill is licensed as a Florida Building official, Inspector, and holds several certified Florida state contractor licenses. Bill has been working with us in preparing our industry professionals to sit for their Certified Building Official credentials. His attention to detail and earnest desire to assist in the success of our students is second to none!

Administrative Staff

Zada Roy – Office Manager
As manager and library comptroller, Zada is the key person to contact for solving any problems or issues, and she is in charge of reporting continuing education to the State. She also assists with the technology issues with students and coordinates problems with I.T.  She has nearly 20 years of experience working with our students.

Tina Gignac – Bookkeeper and Contractor Business Services
Tina is our bookkeeper and handles all our money. She also helps contractors with getting their businesses set up after they get their license and all other business questions you may have .

Support Staff

Debbie Renner – Admin Assistant
Debbie has been with us since 2017 and works with the school and instructors, as well as coordinating R.J. Koning Consulting. She is very knowledgeable and a valuable asset to both businesses.

Colleen Cox – Student Support
Colleen is our manager’s assistant and works to assist students with problems, questions, and orders. You see Collen when you come to class as she assists students to their classes and +the  morning sign-ins!

Hollis Moore – Shipping/Inventory and Student Support
Hollis provides student and instructor support and keeps up with the bookstore and school materials. He is also responsible for coordinating our shipping and receiving department.


Allison (Koning) Evans – Student Support/Front Desk
Allison has literally grown up with our organization(s) and works with our students and instructors. A born problem solver, if she doesn’t know the answer, she finds the answer. Allison is currently work on on acquiring a business management degree and is poised to carry on the family business in the future.


I.T. Staff

Eric Elzey
Eric assists with our computer networking systems and Security systems, from student technical support, to staff support.

Contractors Institute