The Advanced Green Technologies Team

In the solar construction industry, it’s not only how the job’s performed, it’s who the people are, doing it. Their skills, their involvement, their professional demeanor. Hundreds of dedicated individuals make up the team at Advanced Green Technologies, and not only do they want your respect, they want you to like them. “Nice” is important to us. As is “courteous, efficient, exacting, honest, ethical, flexible, accommodating, logistical, knowledgeable.” There’s not an “it’s-not-my-job” attitude in the bunch. In fact, every job is everyone’s job. So there’s always someone there with an answer or who knows how to get something resolved. We work smart and safe. We train and train some more. With our team, anything and everything is humanly possible.

Meet the Team

Rob Kornahrens CEO
Founder & CEO

Rob Kornahrens

Rob Kornahrens is the Founder and Chairman of Advanced Green Technologies. A leader in the construction industry for four decades, Rob has grown his company to over 500 employees with seven offices in the state of Florida; and annual revenues between $110-$130 million.


Degree in Business Administration from the University of Arizona

Clint Sockman VP
Vice President

Meet Clint Sockman

Clint Sockman oversees all sales and operations for Advanced Green Technologies in Florida and the Caribbean. He has more than two decades of experience in Field Operations and Construction Management of Commercial, Industrial, and Institutional roofing and solar energy projects. Additionally, Mr. Sockman has successfully lead teams to the completion of over 350 Megawatts of solar installations.


The University of Cincinnati, Information Systems minor in International Business. Member of the American Society of Professional Estimators (ASPE). Constructions Specifications Institute (CSI). The state of Florida licensed solar contractor. North American Board of Certified Energy Practitioners (NABCEP).

Michael Kornahrens VP

Michael Kornahrens

As Co-Founder and President of Advanced Green Technologies, Michael Kornahrens develops and implements the strategies, relationships, and standards for the company. Born into the Construction Industry, Michael has successfully completed over 500 solar installations throughout North America, as well, as earning the top commercial solar contractor ranking in the state of Florida 2011-21.


Degree in Management from Florida Atlantic University

Brian Cardona Safety Director
Safety Director

Bryan Cardona

With a decade of experience in the areas of occupational safety and health management, Bryan Cardona leads the Safety Division at Advanced Green Technologies. Bryan’s goal for Advanced Green Technologies is to continue being an industry leader in safety while promoting a safety culture and growing OSHA partnerships.


Bryan is an OSHA Authorized Construction Trainer which allows him to implement the OSHA 10 and 30-hour training courses for our field staff.

2016 Construction Association of South Florida (CASF) Safety Professional of the Year Award.

matt jefferies
Director of Sales

Matt Jefferies

After spending 17 years with General Electric and servicing material needs for the construction industry, Matt entered the contracting world with Advanced Roofing and Advanced Green Technologies in 2018. As Director of Sales & Strategic Accounts, Matt holds responsibility for end-to-end client satisfaction. He serves as a single point of contact for select strategic accounts from project discovery through proposal development and project delivery.


B.S. in Marketing from the University of Indianapolis, possesses Six Sigma Green Belt Certification, and has received several awards from GE including but not limited to: CEO Round Table Advisor 2006-2012; All-Star Award 2002-2003; Wired to Inspire Award 2013.

Bob Bruno
Business Development

Robert (Bob) Bruno has been advising commercial customers on the benefits of Solar for over 16 years. He delivered consulting engagements for large commercial and public sector businesses, supporting their sustainability objectives. Bob represents AGT on the Saint Petersburg Chamber Sustainability Committee. He enjoys educating clients on solar, establishing strong relationships, and delivering win-win solutions. At AGT, Bob develops new commercial opportunities for Solar
and Roofing projects.


Undergraduate studies in Environmental Science at Kean University, New Jersey

Chief Financial Officer

Advanced Roofing welcomed Diane Craig to the team in 2022.  Diane has worked with large public manufacturing companies and has many years of experience in various industries, including electronics, oil and gas, aerospace, and commercial lighting. As Chief Financial Officer, she provides financial leadership to drive growth, efficiency, and values, positively impacting customers, employees, and the local community. Diane studied accounting and is a graduate of Glasgow Caledonian University and a Fellow member of the Association of Chartered Certified Accountants (FCCA). You can find Diane on the green enjoying a round or two of golf when not in the office.

Mark Hodges, Project Manager at Advanced Green Technologies
Project Manager

Mark Hodges joined Advanced Green Technologies in 2019, bringing five years of experience in heavy civil and water/wastewater projects and three years of experience in state park design/construction to the team. As a Project Manager, he manages the scope, schedule, budget, quality, and safety of various types of solar installations; he plays an active role throughout all stages of projects, from contract execution through design, permitting, procurement, and construction.

Mark possesses a B.S. in Construction Management from the University of Florida M.E. Rinker Sr. School of Building Construction and Project Management Professional (PMP) Certification from the Project Management Institute (PMI). He enjoys cruising on the river with his wife and daughters in their electric boat in his spare time.

Evan Griffith
Sales Analyst and Coordinator

Evan Griffith has been in the solar industry since 2018 and joined the Advanced Green Technologies team in 2021. As Sales Analyst and Coordinator, his primary role is to ensure that proposals are complete and projects are on track from a preconstruction side, including organizing construction plans, developing financial models, and performing data analysis.

Evan attended the Loyola University of Chicago and possessed a BBA in Finance and a BBA in Information Systems; he is also certified in Python Programming Language.  A fun fact about Evan is that he enjoys snowboarding and Jiu-Jitsu and is a hobbyist photographer.

Adrian Rodriguez
Solar Project Engineer

With more than ten years of experience working in the engineering industry, Adrian Rodriguez joined Advanced Green Technologies in 2023. In his experience, he has designed high-rise, residential, and commercial building projects. As a Solar Energy Project Engineer, Adrian manages the drafting of solar projects, generates photovoltaic systems, and prepares complete electrical drawing sets for permitting and construction. He regularly conducts site visits to confirm photovoltaic layouts and specify electrical interconnection requirements.

Adrian possesses a B.S. in Civil Engineering from the University of Holguin, Cuba, as well as an A.S. in Geodesy and Cartography from Polytechnic Institute #26, Holguin, Cuba; he has earned certificates in Construction Management and Supply Chain Management from Miami Dade College. In his spare time, he enjoys traveling and learning new things.

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