
Investments that Matter
AjB Ventures makes investments in businesses that matter. Whether its making the environment cleaner, reducing ocean plastics or helping an entrepreneur realize their true passion, we are here to help. When we commit to working for a cause, we become partners and lend our full support behind the needed efforts to move the mission forward.

Our Story
It All Started with Ann and Bart
AjB Ventures was founded by John Rizzo a professional engineer and serial entrepreneur. AjB Ventures is his way to give back and stay young. Growing up, John had two very important people in his life that still shape his daily actions.
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The parental team of Ann and Bart showed John what it meant to love what you do, work hard, create memories and watch your back.
Work with Intensity, intelligence and integrity.
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Our Past Endeavors
Powerful Collaborations

Energy Efficiency and Renewable Energy company
ADI is a successful Energy Efficiency and Renewable Energy company started in 2002 and exited in 2018

Strategic Master Planning and Energy Infrastructure Company
Ocean State Rentals

#1 Newport RI Condo Rentals
OSR was created in 1996 and later sold in 2016 to Paolino Properties and others. OSR owned ocean front real estate in Newport Rhode Island. Original investment was tripled at closing and it had an annual ROE of of 33%.
Contact us if you are looking for help
SitelogiQ is a successful Large-scale infrastructure company. Exited in 2020