Who We Are

BIG GROUP stands as a versatile real estate firm, adept at structuring and developing premier residential and commercial projects. Comprising two distinct entities, namely BIG Development and Moderna Construction, the company was founded by Mack Sanchez & Partners, boasting an impressive combined experience of over 40 years in development, design, marketing, and construction.

BIG GROUP takes a forward-thinking approach to development, evident in their innovative luxury buildings strategically positioned in highly sought-after, centrally located neighborhoods, offering pedestrian-oriented lifestyles and cutting-edge amenities. Every property design reflects a dedication to relevant architectural detailing, catering to the needs and aspirations of both residents and business users.

With an unwavering commitment to quality, BIG GROUP's professional construction team ensures meticulous attention to detail, impeccable finishes, and timely project completion. Among their recent successes are projects such as Terrazas River Park, Door 7710 in Brazil, Altos De Miami, Sail Brickell, Emerald Coral Way, and Coral Plaza, to name a few. This comprehensive and specialized approach guarantees optimal returns on real estate investments.

Dedicated to providing exceptional service and maintaining the highest level of professionalism for all clients, BIG DEVELOPMENT GROUP envisions a future filled with extraordinary achievements. By remaining at the forefront of the ever-changing industry, they continuously explore and adopt new technologies and methodologies. Their spirit of innovation and creativity empowers them to turn clients' concepts into reality while always keeping a keen eye on the bottom line.


FOUNDERS:

Mack Sanchez, Founder and Chairman

Mario Mack is an accomplished Development & Construction Executive with an impressive career spanning over 30 years. His expertise lies in multifamily and mix-use residential projects, having successfully developed and delivered over 1000 units in South Florida and Brazil.

Beyond his extensive local achievements, Mario holds a wealth of experience in the International Government and Private sectors across diverse regions, including the US, Latin America, Caribbean, Middle East, and China. He is renowned for developing and refining a revolutionary building construction system featuring 100% full composite structures, all compliant with building codes.

Aside from his professional accomplishments, Mario serves as a valued Board Member for reputable companies like Inovatec Systems in Brazil, NoX Development in Miami, and WS America in Miami.

EXECUTIVE TEAM:

Construction and Development Manager Director:

  • Max Sanchez: Max is a visionary construction and real estate entrepreneur who is revolutionizing the industry with his innovative approach to multi-family developments and cutting-edge use of technology. With a track record of success Max has become a trailblazer in the field, constantly pushing the boundaries of what is possible and driving the industry forward. Responsible for delivering as Project Manager for Suffolk Construction, the Ritz Carlton Sunny Isles.

    Chairman of the Board - Nox Florida Schools

Art Creative Director:

  • Sebastian Sanchez : Sebastian Sanchez is the Manager of Digital Art Sales at Christie’s, where he leads digital art auctions and strategic partnerships, driving innovation in how digital artworks are presented and sold. Since joining Christie’s in 2022, he has co-led Augmented Intelligence, the first dedicated AI art sale by a major auction house, and spearheaded major collaborations, including the groundbreaking Gucci x Christie’s Future Frequencies auction. He has also led high-profile partnerships with UNICEF, TASCHEN, and UNHCR, expanding the intersection of digital art and philanthropy.

    Prior to Christie’s, Sebastian co-founded ARTXCODE in 2018, a pioneering platform for generative art, where he collaborated with leading artists such as Tyler Hobbs and Dmitri Cherniak, helping shape the early generative art market and its global community. From 2015 to 2021, he worked on a diverse range of projects with renowned artists including Rashid Johnson, Cindy Sherman, and Barbara Kruger, managing collaborations across fine art, design, and luxury.

    Sebastian holds a B.B.A. in Design Management from Parsons the New School for Design and is a certified Full Stack Engineer from App Academy. He is also an Adjunct Professor at Columbia University, where he developed and teaches a course on the digital art ecosystem, covering blockchain, generative and AI art, and the evolution of digital creativity.

International Markets Director:

  • Marcio Duleba: Brazilian businessman and versatile entrepreneur with expertise in innovative civil construction, telecommunications, and e-commerce. With a background in marketing and international business, he has been an Executive Director in a prominent Brazilian business group, working in various countries including Brazil, Paraguay, Spain, Switzerland, England, and the United States. He has also developed companies and businesses, including in the financial segment with Open Banking.

Financial Analyst:

  • Renzo Renzi Jr has been an influential figure in the construction and development industry since 2019 Initially focusing on custom homes and townhouses, he swiftly ventured into large-scale endeavors, establishing himself as a true pioneer in the field. Renzi's impressive track record includes a multitude of significant projects across South Florida, showcasing his relentless pursuit of innovation and excellence.