Meet Our Team
GSIIG's leadership is comprised of seasoned professionals and strategic advisors, ensuring expertise, vision, and a commitment to delivering impactful solutions. Explore the diverse skills and experiences that drive our success.
Hesham Hajyousif
Founder
Hesham Hajyousif is a foundational leader of GSIIG Group, guiding the company’s strategic direction and long-term vision. With deep experience in global investments and sustainable development, he ensures that every initiative aligns with GSI’s mission to build a smarter and more equitable future.
Nayef Al Nadi
Owner
Nayef supports GSIIG’s mission by providing advisory leadership focused on sustainable investments, global expansion, and portfolio optimization.
Elizabeth Gorman
Director of Government Affairs & Owner
Elizabeth leads GSIIG’s government relations strategy, working closely with public agencies and partners to support sustainable development and community-focused initiatives. Her policy expertise strengthens the company’s role in public-private partnerships.
Bomie Leonard
Owner & Legal Counsel
Bomie Leonard brings extensive legal expertise and leadership to GSIIG Group. As both an owner and legal counsel, She ensures the company’s operations meet the highest standards of compliance, governance, and ethical practice, reinforcing GSIIG’s reputation for integrity.
Sami Al Nadi
Owner
Sami contributes strategic insight to GSIIG through his role at Nadi LLC, helping strengthen the company’s investment portfolio and long-term partnerships.
Bennett Johnson
Chief Financial Officer
As CFO, Bennett Johnson oversees GSIIG’s financial strategy, investment planning, and long-term capital growth. His leadership ensures financial stability, responsible expansion, and strong performance across all business units.
Conor Gorman
Assistant Director of Government Affairs
Conor assists in advancing GSIIG’s public-sector initiatives, building relationships, and supporting collaboration with government partners to expand GSIIG’s impact.
Heba Qandeel-Kishta
Chief Marketing Officer
Heba leads GSIIG’s global marketing strategy, brand development, and communications initiatives. Her work ensures GSIIG’s mission, impact, and innovations are effectively shared with clients, partners, and communities worldwide.
Ghaith Al Nadi
Chief Technology Officer
As CTO, Ghaith leads the development of innovative technology solutions that drive GSIIG’s smart city, renewable energy, and infrastructure projects. He ensures GSIIG remains at the forefront of digital transformation.
Issam Hajyousif
Technical Manager
Issam oversees the technical execution of GSIIG’s projects, ensuring precision, efficiency, and the integration of modern technologies across all operations.
Mehmet Guzeldere
Board Advisor
Mehmet provides strategic guidance across GSIIG’s major sectors, leveraging his broad industry knowledge to support high-impact decision-making and sustainable project development.
Housam Hajyousif
Board Advisor
Housam advises on global partnerships, business operations, and long-term strategic planning. His insight helps strengthen GSIIG’s international presence and cross-sector initiatives.
Roy Shallabi
Board Advisor
Roy, CEO of Transport Marketing Consultants Inc. in Orland Park, IL, is an independent Landstar System agent and member of the Landstar Chief Executive Circle. A 37-year transportation and logistics veteran, his leadership has generated over $700 million in revenue since 2009. He leads one of Landstar's fastest-growing regions, prioritizing customer relationships, agent development, and strategic marketing.
With a vast experience in Truckload, Volume LTL & Warehousing, he's able to provide creative logistics solutions to various accounts anywhere in the United States.
Majdi Shalabi
Board Advisor
Majdi brings unparalleled expertise in investigations, crisis management, and public safety leadership to GSIIG. His extensive background in handling complex cases, guiding investigative teams, and managing high-pressure situations equips him with a unique perspective on security, strategy, and operational integrity. Majdi’s insight is helping GSIIG explore innovative approaches to advancing technology, safety solutions, and the future of crime prevention through smarter, more connected communities.
Basman Dhala
Board Advisor
Basman brings more than 30 years of engineering leadership experience to GSIIG. His background spans system architecture, wireless technologies, product development, and advanced technology strategy. He has built and led engineering teams across software, hardware, and system integration, and has extensive expertise in product management, deployment planning, and long-term technical innovation.
Tariq Awaidah
Technical Staff to Senior Technical Staff
Tariq supports GSIIG’s senior technical team, contributing to system implementation, project coordination, and technical problem-solving across multiple initiatives
Kaled Dahla
Intern to Technical Staff
Kaled assists the technical department with research, field support, and project tasks, gaining hands-on experience in sustainable technologies and infrastructure operations.
Mariam Jabbar
Intern to the Chief Marketing Officer
Mariam supports the marketing team with research, content development, and project coordination. She contributes to strengthening GSIIG’s brand presence while gaining experience in corporate communications.
Basel Hajyousif
Senior Intern to Government Affairs
Basel supports the GSIIG team by working as an intermediary between our partners in the public and private sector for planning and development of projects to benefit local communities. This includes writing and applying for local/state/federal grants.

Leadership Strength & Credibility
Our high-caliber leadership team, including our CEO, COO, CFO, and CLO, brings years of experience and a strategic vision to GSIIG. Supported by our board of advisors, we ensure robust oversight and expertise, guiding GSIIG toward continued success in construction, smart cities, and beyond.

Diversity of Skills and Roles
From operations and legal to finance, marketing, and strategic advisory, our team covers a broad spectrum of essential functions. This comprehensive structure ensures that we're more than just a one-person show; we're a fully equipped organization ready to tackle complex challenges and deliver innovative solutions.

Strategic Vision & Alignment
Aligned around a clear vision of creating smart, sustainable, and impactful solutions, each member of our team plays a crucial role in executing that vision. With a forward-looking approach, we are poised to deliver exceptional results in our focus sectors, driving progress and innovation in every project we undertake.
"GSIIG's team spearheaded innovative sustainability projects that integrate renewable energy, advanced infrastructure, and community development — driving real progress toward smarter, greener cities."
A Proud GSIIG Team Member