The Team

Meet our team of passionate experts dedicated to turning your goals into reality through their knowledge and experience.

Team of 3 Doctorates

Board of Directors

Sam Suzuki


Sam Suzuki is the CEO/Founder of Sperry RE Capital LLC, an affiliate of Sperry Commercial Global Affiliates, a capital market advisory firm focusing on ground-up construction finance. Mr. Suzuki is also the CEO/Founder of Sire Group LLC, a Proptech company specializing in 3D construction print for multi-family real estate development. He has been in the real estate finance and development industry for over 39 years.

Mr. Suzuki serves on the Board of Directors for the Asian Real Estate Association of America (AREAA) Manhattan Chapter, a Board of Directors for BoCG Ventures, and Board of Directors for Digital Builders Association. He is a Mentor for the ICSC Foundation for college students, a member of LAI the Land Economic Society, and a member of Urban Land Institute (ULI). Mr. Suzuki is a Doctoral candidate in Business Administration at Liberty University, majoring in real estate development in 3D Printing in 2023, and at Harvard University, majoring in Essential entrepreneurship in 2024. He holds an MS degree in finance from Liberty University and a BBA in finance from Pace University.

Reynaldo Santana


Reynaldo is a Managing Partner and co-founder of SIRE 3D, a wholly-owned subsidiary of SIRE Group, oversees partnerships, operations, and 3D printing development projects for SIRE 3D. He is a leading PropTech innovator, Co-Founder of Hausible3D, and VP of the Digital Builders Association.

With a decade of experience in emerging technologies and a BBA from UMass Lowell, he is revolutionizing the construction industry using 3D printing. Reynaldo holds a master’s degree in Leadership from Northeastern University and is certified by MIT and Harvard Business School. He is currently pursuing a doctorate in Strategic Leadership, specializing in 3D printing construction. Reynaldo is also the founder and President of ESG Housing Inc, a non-profit organization dedicated to building sustainable and affordable communities worldwide. His goal is to positively impact 1 billion people with this innovative technology and invites others who share his vision to join him on this journey. Reynaldo’s trailblazing leadership in PropTech and sustainable housing sets him apart as a visionary and changemaker in the industry.

Victor De Las Casas


Victor De Las Casas is based in Fort Lauderdale, Florida, and has been in the real estate management, operations, development, and prop-teach management industries for 10 years.

As Principal and Managing Director, Co-Founder at SIRE3D he is known as the “prop-tech-preneur”, combining his diverse real estate experience with high-end luxury developments and a proven track record in tech startups to bridge the two worlds and optimize scalable efficiencies through artificial intelligence, machine learning, and automation. Mr. Casas played a pivotal role in over $100 million+ of urban real estate projects, working with CDCs in the state of Massachusetts tasked with creating affordable housing developments. In addition, Victor serves as a Vice President to a non-profit he co-founded named ESG Housing Inc, where his mission is to build world-wide affordable, sustainable, self-sufficient communities protected from future pandemics, including a tenant/landlord protection fund to protect them from financial risks.

Victor respectively holds degrees in Economics and Entrepreneurship from Wheaton College and Babson College, a master’s degree from Boston University, and is currently working on a Doctorate in Financing and 3D Development with a focus on Tech-Innovations and Scalability from Liberty University.

Kenneth McCrae

Member board of director

Kenny is the Chairman and Co-Founder of the SIRE Group and International Real Estate Partners (IREP).

He specializes in the set-up, transition, and implementation, of multi-jurisdictional contracts, real estate management, maintenance and operations contracts. He has extensive experience across the Americas, Europe, and Middle East, managing property and assets for corporate, investors and occupiers.

Moving to the Middle East in 2013, Kenny established IREP and grew the business to a diverse global real estate advisory and management company, operating in over 46 countries employing more than 1,500 people.

Kenny is a fellow of the Royal Institution of Chartered Surveyors.

Barry Regenstein

Member board of director

Based in New York City, Barry sits as President and Co-Founder of the SIRE Group and Sperry RE Capital.

Having operated as a C-suite, global senior executive for over 30 years, Barry has considerable leadership experience in transforming organizations and restoring profitability for under-performing companies.

Within the Group Barry oversees the capital markets division, which is an advisor for debt and equity placement and is responsible for the financing of our development projects.

Beginning his career with Coopers & Lybrand in Washington, D.C., Barry has extensive SEC reporting experience and is a Certified Public Accountant. He received a M.S. in Taxation from Long Island University and a B.S. in Accounting from the University of Maryland.

Kamran Abbas

Member board of director

Kamran sits as CFO and Co-Founder of the SIRE Group and International Real Estate Partners (IREP).

Since 2013 Kamran has overseen all financial aspects of IREP and continues to ‘manage the numbers’ for the SIRE Group. He leads the multinational and multi-jurisdictional Shared Services Centre team, which manages all financial and legal aspects of the Group operations, guaranteeing the integrity of financial systems, auditing, investor, and stakeholder reporting.

Kamran thrives on getting things done and keeps a firm hold of the financial reins. By background he is a Chartered Accountant.

Dr. Christian Feldermann

Member board of director

Our Head of Technology and Innovation, Christian, comes from a technology background with a strong R&D acumen in science, engineering, and IT. He holds a Ph.D. in Physical chemistry from the University of Göttingen, Germany and postdoctoral studies from Massachusetts Institute of Technology (MIT), USA. He is also fluent in four languages – Spanish, Catalan, German & English.

As a front-end developer, Christian has been pivotal to both the creation and implementation of our suite of software at IREP. As the Head of Technology and Innovation, he has built an R&D department as part of a Technology & Innovation Centre based in the IREP European HQ in Girona, Spain. It consists of back- and front-end developers, data analysts, and IoT specialists.

The team are build proprietary software and complete IoT solutions for our clients including planning, installation, coding and reporting. Every element of the services is offered by IREP whether it be sensors and/or smart metering solutions.