About Us

We revolutionize sustainable construction practices


Did you know that construction industry professionals struggle with high costs, waste, and environmental impact while building housing solutions? This is a multi-billion dollar opportunity in the US alone.

Building out of the box

We focus on the transformative impact of sustainable construction on communities, the environment, and the future of the industry. Our messaging highlights the benefits of our solutions in terms of efficiency, cost-effectiveness, and environmental impact, emphasizing our role as pioneers of change in the construction sector.

maxiprinter

Sustainable Construction Solutions

We are a startup revolutionizing sustainable construction practices in partnership with Constructions-3D. Our flagship product, the MaxiPrinter, is distributed throughout North America. It is a cutting-edge spider crane that enables fast and eco-friendly 3D construction printing, reducing building times and energy consumption.

We also offer gantry or overhead-style printers, as ready-to-assemble kits, using different stage trussing, motor/controllers, drives, and operating systems to customize the dimensions, functions, and strength of the printer to your needs. Our smallest truss printer, the Sophomore truss printer is a simple and  affordable machine for educational institutions and entry-level builders, showcasing our commitment to empowering the workforce with high-tech construction tools. Additionally, our development of equipment for the scaling up of geopolymer applications in the construction industry promises to drastically reduce carbon emissions, conserve water, and create more resilient buildings.

Tarek Maassarani
Chief Executive Officer
william hoff
Senior Advisor
Michael Burgess
Robotics and Automated Systems
Richard Reeves
Director of Additive Construction
Shuhaib Abdelkader
Additive Construction Tech
Wendy Young
Office Manager
Sandra Stephens
Operations Support Intern
Veronica Acevedo
Operations Support Intern

Partners & Clients

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In essence, we are the Tesla of sustainable construction equipment, shaping a future with resilient cities, less environmental impact, and accessible quality housing for everyone. We have achieved significant milestones, and we invite you to join us in creating a better world through sustainable construction practices.

Join the adventure

We build up the construction industry by providing innovative, sustainable, and cost-effective solutions that prioritize the well-being of people and planet.

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Contact Info

  • Location : Las Vegas, NV
  • Phone : (702) 279-7178
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Tarek Maassarani, Chief Executive Officer

With over two decades of diverse experience under his belt, Tarek has been at the forefront of initiating, designing, and steering work teams and complex social and ecological sustainability projects across the US, Africa, Middle East, and South Asia.

Tarek’s journey has been anything but conventional, spanning roles such as lawyer, climate advocate, organizational consultant, dialogue facilitator, author and filmmaker, Georgetown professor, Guinness world record holder in long-distance kick scootering, and conservation researcher, living amongst hippos and elephants in a tent at the edge of a Namibian national park.

William Hoff, Senior Advisor

With over 42 years of experience in construction specializing in concrete, structural iron, and crane operations, William brings unique skills to Geopolymer International.

As an avid entrepreneur passionate about sustainable building materials, William started the company “Out of the Box Construction” in 2015 to lower the cost of building innovative structures using the latest technologies.

His current focus is on geopolymers, 3D concrete printing, and modular housing. William is taking a supportive position at GPI and looks forward to spending his free time vacationing and fishing with his wife Ghanima.

Michael Burgess, Director of Robotics and Automated Systems

Michael Burgess, based in Houston, Texas, started his career in 3D printing as a senior engineer at ICON.

Driven by a passion for ethical innovation, Michael established BurCan Robotics Construction with the vision of creating accessible housing through 3D printing technology. Drawing from his background in German automotive manufacturing, Michael brings a wealth of expertise in manufacturing engineering, mechatronics, and electrical-mechanical systems.

Michael is currently pursuing his pilot license while balancing the roles of devoted husband and father to three children.

Richard Reeves, Director of Additive Construction Technologies

Born on Galveston Island, Texas, Richard Reeves faced profound challenges when his family lost everything to Hurricane Ike in 2008, inspiring his commitment to building resilient and affordable housing.

With a strong family legacy in construction, he served as a Construction Manager for Habitat for Humanity in South Houston, overseeing homes for underprivileged families.

Reeves earned a degree in Construction Science from the University of Houston and has expertise in project management.

He has also worked as a Construction Manager for a commercial general contractor specializing in historical renovations and directed robotics for an oil and gas company, utilizing drone technology for inspections.

In his free time, Richard enjoys building and racing drones, merging his technical skills with his passion for innovation.

Shuhaib Abdelkader, Additive Construction Tech

At 17 years old, Shuhaib immigrated to the United States from his home in Palestine where he gained early exposure to construction work building brick walls and pouring cement alongside his father.

In February 2024, Shuhaib underwent specialized training for the MaxiPrinter in France and is now the world’s youngest MaxiPrinter operator (that we know of!).

As the second youngest of six siblings, Shuhaib has developed patience and resilience, qualities he intends to leverage as he expands his expertise and ventures into the real estate sector, aspiring to become an entrepreneur.

Wendy Young, Office Manager

Coming from a family with dozens of cousins and siblings, Wendy learned early on how to delegate tasks and strategically compromise.

After graduating from Rice Business School, Wendy went on to work in several industries including residential and commercial construction, real estate, industrial waste repurposing, and the legal field, all while owning and operating her own catering business for 30+ years.

Slowly transitioning into retirement, Wendy enjoys spending time with her twin granddaughters and supporting her son as he carries on the family passion for cooking as a chef.

In addition, Wendy and her partner, Buzzy, just completed their ultimate passion project: building their forever retirement home from the ground up in only 4 months.

Sandra Stephens, Operations Support Intern

Born and raised in San Jose, California, Sandra is the second oldest of five children. Currently studying Management and Business Economics, she has a passion for numbers and a keen interest in accounting.

Growing up with a father in construction, Sandra gained early exposure to the field, sparking a unique appreciation for detail and precision.

In her free time, she enjoys DIY projects and crafts, including crocheting, making bracelets, and creating her own Halloween costumes.

Veronica Acevedo, Operations Support Intern

Growing up as the fifth of eight children in Los Angeles County, Veronica learned the importance of teamwork and effective communication from an early age.

Inspired by her father’s entrepreneurial journey in the construction industry, she developed a strong interest in business operations and finance. Currently, studying Economics and Technology Management at the University of California, Santa Barbara, Veronica is passionate about bridging the gap of financial literacy among underrepresented communities, specifically Latinos. With aspirations to break into corporate finance or wealth management.

In her free time, Veronica enjoys exploring local cultural events and staying active through hiking and weightlifting.