Board of Directors

Paul M. Galvin

Chairman, Chief Operating Officer and Chief Executive Officer

Paul M. Galvin was appointed as a director and the Company's Chief Executive Officer upon consummation of the reverse merger among CDSI Holdings Inc., CDSI Merger Sub, Inc., SG Blocks, and certain stockholders of SG Blocks on November 4, 2011 (the "Merger"). Mr. Galvin is a founder of SGBlocks, LLC, the predecessor entity of SGB. He has served as the Chief Executive Officer of SGB and its predecessor entity since April 2009 and as a director of such since January 2007. Mr. Galvin has been a managing member of TAG Partners, LLC ("TAG"), an investment partnership formed for the purpose of investing in SGB, since October 2007. Mr. Galvin brings over 20 years of experience developing and managing real estate, including residential condominiums, luxury sales, and market rate and affordable rental projects. Prior to his involvement in real estate, he founded a non-profit organization that focused on public health, housing, and child survival, where he served for over a decade in a leadership position. During that period, Mr. Galvin designed, developed, and managed emergency food and shelter programs through New York City's Human Resources Administration and other federal and state entities. From November 2005 to June 2007, Mr. Galvin was Chief Operating Officer of a subsidiary of Yucaipa Investments, where he worked with religious institutions that needed to monetize underperforming assets. While there, he designed and managed systems that produced highest and best use analyses for hundreds of religious assets and used them to acquire and re-develop properties across the U.S. Mr. Galvin holds a Bachelor of Science in Accounting from LeMoyne College and a Master's Degree in Social Policy from Fordham University. He was formerly an adjunct professor at Fordham University's Graduate School of Welfare. Mr. Galvin previously served for 10 years on the Sisters of Charity Healthcare System Advisory Board and six years on the board of directors of SentiCare, Inc. In 2011, the Council of Churches of New York recognized Mr. Galvin with an Outstanding Business Leadership Award. Mr. Galvin's pertinent experience, qualifications, attributes, and skills include his managerial experience and the knowledge and experience he has attained in the real estate industry.

Christopher Melton


Christopher Melton was appointed as a director of the Company upon consummation of the Merger on November 4, 2011. Mr. Melton is Principal and co-founder of Callegro Investments. Callegro Investments is a specialist land investor investing in the southeastern U.S. Mr. Melton has served on the board of directors of World Education and Development Fund, a non-profit organization that focuses on education for underprivileged children in Latin America, since 2008. From 2000 to 2008, Mr. Melton was a Portfolio Manager for Kingdon Capital Management ("Kingdon") in New York City, where he ran an $800 million book in media, telecom, and Japanese investment. Mr. Melton opened Kingdon's office in Japan, where he set up a Japanese research company. From 1997 to 2000, Mr. Melton served as a Vice President at JPMorgan Investment Management as an equity research analyst, where he helped manage $500 million in REIT funds under management. Mr. Melton was a Senior Real Estate Equity Analyst at RREEF Funds in Chicago from 1995 to 1997. RREEF Funds is the real estate investment management business of Deutsche Bank's Asset Management division. Mr. Melton earned a Bachelor of Arts in Political Economy of Industrial Societies from the University of California, Berkeley in 1995. Mr. Melton earned Certification from University of California, Los Angeles's Anderson Director Education Program in 2014. Mr. Melton's pertinent experience, qualifications, attributes, and skills include financial literacy and expertise, managerial experience, and the knowledge and experience he has attained through his services as a director of various companies and his personal real estate investment and development activities.

Balan R. Ayyar


Balan R. Ayyar was appointed as a director of the Company on January 30, 2017. General Ayyar is the founder and CEO of, a Silicon Valley advanced analytics firm providing artificial intelligence, machine learning, and computer vision for U.S. national security missions since January 2017. In 2016, he was named the President and Chief Executive Officer of Sevatec, Inc., an IT solutions firm specializing in cyber, data science, cloud engineering, and system integration across national security missions, where he had worked as the Chief Operating Officer since 2014. Before joining the private sector, General Ayyar served as the Commanding General of Combined Joined Interagency Task Force 435 in Kabul, Afghanistan, beginning in 2013. Prior to that, General Ayyar led the U.S. Air Force Recruiting Service. He served in four combatant commands, as the military assistant to the Secretary of Defense, and as a White House Fellow. General Ayyar has received a number of awards and decorations for his service, including a Bronze Star, an Air Force Commendation Medal, and a Presidential Service Badge. He is a member of the Council on Foreign Relations and serves on the board of directors of Fairfax Futures, an early childhood education non-profit partnership. General Ayyar has a Bachelor of Science in international affairs from the U.S. Air Force Academy, Master's degrees from Maxwell Air Force Base, Alabama, Auburn University, and the Industrial College of the Armed Forces, National Defense University in Washington, D.C. General Ayyar's pertinent experience, qualifications, attributes, and skills include his extensive leadership experience and technology background.

Yaniv Blumenfeld


Mr. Blumenfeld brings to SG Blocks more than 20 years of real estate experience, 13 years of which have been with leading Wall Street firms, where he was responsible for structuring, underwriting, pricing, securitizing and syndicating over $16 billion of commercial real estate loans and equity transactions. He is currently the founder and managing member of Glacier Global Partners LLC, an investment firm based in New York, where he is responsible for the company's strategic direction and oversees the company's investments and day-to-day management, including origination, underwriting, closing, investor relations and asset management functions. Prior to founding Glacier Global Partners LLC, Mr. Blumenfeld was a Managing Director at Bear Stearns / JPMorgan Chase, responsible for structuring and closing over $2 billion of real estate debt and equity transactions for institutional clientele. Prior to Bear Stearns, Mr. Blumenfeld served as a Managing Director and Head of the CMBS Capital Markets Group for the U.S. at EuroHypo AG, then the world's largest real estate investment bank. Mr. Blumenfeld received a Bachelor's of Science degree in Real Estate Finance from the Cornell University School of Hotel Administration.

Mr. Blumenfeld is widely recognized within the real estate industry as a member of the CRE Finance Council, a guest lecturer at Columbia University and recipient of the YJP NYC Real Estate Entrepreneur & Achievement Award in 2013.

James Potts


As President of State SteelWorks, Mr. Potts' responsibilities include managing the strategic direction and operating performance of State SteelWorks. Prior to founding State SteelWorks, Mr. Potts served as Chairman of Verde Apartment Communities ("VAC"), previously a wholly-owned subsidiary of Verde Realty, a private REIT, involved in development, construction and management of upscale multi-family communities.

Before joining VAC, Mr. Potts held a number of senior positions with Security Capital Group Incorporated (formerly NYSE:SCZ) until its sale to GE Capital. Those responsibilities included Co-Chairman and Chief Investment Officer of Security Capital Atlantic (formerly NYSE:SCA), an Atlanta-based equity REIT that owned, acquired, developed and operated income-producing multifamily communities in the south Atlantic, mid-Atlantic and mid-western regions of the United States, and President and Chief Operating Officer of Homestead Village Incorporated (formerly NYSE:HSD), an extended-stay hotel company which developed and operated 136 hotels across the continental U.S. Prior to joining the Security Capital Group Incorporated management team, Mr. Potts was a Senior Partner with Trammell Crow Residential and a member of its Management Board. Mr. Potts has been a director of Borderplex Realty Trust, a private REIT based in El Paso, Texas, since 2015.

Mr. Potts is a graduate of Georgia Tech and holds a Master of Business Administration from Georgia State University.