Irfan Abji, Principal 

As Principal of E Contractors USA, LLC, Irfan Abji provides strategic leadership and oversight across all company operations, ensuring each project is executed with a focus on quality, accountability, and client satisfaction. Since taking ownership in 2013, he has guided the company’s growth and strengthened its presence across municipal, education, healthcare, and commercial sectors.

With more than 30 years of business management experience—including over two decades in real estate development and construction-related enterprises—Irfan brings a comprehensive understanding of project delivery, risk management, and operational efficiency. His global experience allows him to approach complex challenges with clarity and innovation while maintaining a strong focus on execution.

Irfan is known for fostering long-term client relationships through transparent communication and a collaborative approach to problem-solving. His leadership emphasizes integrity, responsiveness, and proactive engagement—key factors that have contributed to a high level of repeat business with school districts, municipalities, and institutional clients.

Alejandra Cobas, Principal

Alejandra Cobas plays a vital behind-the-scenes role in keeping day-to-day operations running smoothly. With a sharp eye for detail and a deep understanding of business processes, Alejandra manages a wide range of administrative functions that support the company’s success—from compliance and reporting to finance coordination and team support.

Her expertise in workflow management, internal systems, and vendor coordination ensures that projects stay on track and the team stays aligned. Alejandra’s ability to anticipate needs and solve problems behind the scenes allows project managers, estimators, and executives to stay focused on delivering results in the field.

Alejandra is known for her quiet leadership and strong follow-through. Her work may be behind the scenes, but her impact is felt company-wide—keeping E Contractors organized, efficient, and ready for growth.

Lorenzo Martinez, Vice President

Lorenzo Martinez brings an extensive and distinguished career spanning more than 40 years in both private and public construction, with experience across municipal, K–12, higher education, healthcare, and commercial sectors. His depth of knowledge and leadership has been instrumental in successfully delivering complex projects in highly regulated and performance-driven environments.

As Vice President of E Contractors, Lorenzo provides strategic leadership and executive oversight across the company’s operations, supporting project delivery, client engagement, and long-term growth initiatives. He works closely with the executive and project leadership teams to ensure alignment between field execution, operational performance, and company objectives, while maintaining a strong focus on quality, safety, and client satisfaction.

Known for his collaborative leadership style, Lorenzo fosters a culture of accountability, teamwork, and continuous improvement. His approach emphasizes strategic planning, proactive risk management, innovation, and strong client relationships—key elements that consistently support successful project outcomes and reinforce E Contractors’ reputation for excellence.

Hector Vazquez, General Superintendent

As General Superintendent at E Contractors, Hector Vazquez leads field operations across all projects, ensuring alignment with safety, quality, and schedule requirements. He oversees superintendents and field teams, coordinates trade activities, and maintains consistent jobsite performance from mobilization through project completion.

With more than 30 years of construction experience, Hector brings a strong technical foundation supported by a Bachelor of Science in Electrical Engineering with a concentration in Power Engineering. His expertise spans healthcare, education, and hospitality projects, where precision, coordination, and quality control are critical to successful delivery.

He works closely with project managers and field leaders to ensure proper sequencing, constructability, and coordination across all trades, particularly in complex and occupied environments. His leadership reinforces consistent performance and high-quality results across all E Contractors projects. Hector also plays a critical role in mentoring field personnel and developing the next generation of superintendents, promoting best practices in safety, quality control, and operational efficiency.

Adra Stafford, Business Development & Marketing Director

As Business Development and Marketing Director at E Contractors, Adra Stafford leads strategic growth initiatives, branding, and client engagement efforts. She works closely with executive leadership, project teams, and clients to support proposal development, marketing strategy, and relationship management across all sectors.

With more than 30 years of experience, Adra brings extensive expertise in creative development, strategic planning, branding, and marketing management. Her background includes leading comprehensive marketing initiatives, developing targeted outreach strategies, and producing high-quality proposals that effectively communicate project value and company capabilities.

Adra is recognized for her strong communication skills and ability to build meaningful relationships with clients, partners, and internal teams. She excels at translating technical project information into clear, compelling messaging that supports business development efforts and strengthens E Contractors’ competitive position. Her deep understanding of the Houston market, combined with her strategic mindset and commitment to excellence, contributes to sustained growth and long-term client partnerships across E Contractors’ portfolio.

Armando Mireles, JOC Program Manager | Safety Manager

As JOC Program Manager at E Contractors, Armando Mireles leads the execution of Job Order Contracting (JOC) projects, overseeing contract administration, coefficient-based estimating, and the delivery of multiple concurrent work orders. He ensures each task order is developed and executed in alignment with scope, schedule, and budget requirements, while maintaining strict adherence to JOC procurement guidelines and documentation standards.

He works closely with project managers, estimators, and field teams to ensure accurate scoping, seamless coordination, and timely delivery of all assigned projects.

With more than a decade of public-sector experience, including extensive work with the City of Houston, Armando brings deep expertise in RSMeans-based estimating, cost validation, and line-item pricing. His background includes disaster recovery, capital improvements, and maintenance programs, where accuracy, speed, and compliance are critical to successful project delivery. He has a proven ability to manage high-volume task orders while maintaining consistency in pricing, documentation, and overall program performance.

Luis (Louie) Cuellar, Project Manager

As Project Manager at E Contractors USA, LLC, Louie Cuellar is responsible for overseeing project execution from preconstruction through closeout, ensuring alignment with scope, schedule, budget, and quality expectations. He plays a key role in coordinating field operations, managing subcontractors, and maintaining clear communication with clients and stakeholders.

With more than 40 years of multidisciplinary experience in construction, industrial services, and project management, Louie brings a diverse and technical background to the team. His career includes leadership roles overseeing large-scale operations in environmental services, industrial cleaning, and infrastructure projects across power, rail, and manufacturing sectors, with a strong emphasis on safety, compliance, and operational efficiency.

Louie is known for his ability to lead complex projects with precision while maintaining a strong focus on safety, quality assurance, and client satisfaction. His technical expertise, combined with effective communication and bilingual capabilities, allows him to successfully manage diverse teams and deliver consistent, high-quality results across a wide range of project environments.

Rex Massey, Project Manager

As Project Manager at E Contractors, Rex Massey oversees project execution from preconstruction through closeout, ensuring alignment with scope, schedule, budget, and quality expectations. He coordinates with project teams, subcontractors, and stakeholders to maintain clear communication and drive successful project delivery.

With more than 20 years of experience in the architecture, engineering, and construction industry, Rex brings a strong background in managing complex projects across multiple sectors. Rex is recognized for his collaborative leadership style and ability to foster strong team dynamics.

His approach emphasizes accountability, communication, and problem-solving—ensuring efficient execution and high levels of client satisfaction. He works closely with field teams and stakeholders to maintain coordination, sequencing, and constructability throughout each phase, supporting consistent performance and successful project outcomes. His ability to align project strategy with field execution ensures predictable delivery and reinforces E Contractors’ commitment to excellence.

Muhammad Sheraz, Project Manager

As Project Manager at E Contractors, Muhammad Sheraz oversees project execution from preconstruction through closeout, ensuring alignment with scope, schedule, budget, and quality expectations. He is responsible for defining project requirements, establishing performance goals, and coordinating field operations to deliver successful outcomes.

With more than 15 years of experience in the construction industry, Muhammad brings strong expertise in cost estimation, budget management, and schedule development. His background includes managing complex projects across public and private sectors, where he consistently aligns financial objectives with project deliverables while maintaining strict adherence to safety and quality standards.

Muhammad is recognized for his proactive approach and strong technical knowledge, enabling effective coordination with architects, engineers, subcontractors, and clients. His leadership emphasizes accountability, communication, and attention to detail—ensuring projects are delivered efficiently, safely, and to the highest standards of quality. Muhammad’s commitment to quality, safety, and client satisfaction contributes to successful project delivery and long-term client relationships across E Contractors’ portfolio.

Keith Weber, Project Manager

As Project Manager at E Contractors, Keith Weber oversees project execution from preconstruction through closeout, ensuring alignment with scope, schedule, budget, and quality expectations. He coordinates closely with project teams, subcontractors, and stakeholders to deliver efficient and compliant project outcomes.

With more than 15 years of experience in construction and program management, Keith brings disciplined leadership and strong technical expertise across federal, education, and infrastructure projects. A U.S. Air Force veteran with a Secret Clearance, he is highly skilled in CPM scheduling, financial oversight, and MEP coordination, consistently delivering complex, multi-million-dollar projects in accordance with strict regulatory and safety standards.

Keith is recognized for his ability to manage detailed project requirements while maintaining clear communication and accountability across all stakeholders. His leadership emphasizes proactive planning, safety, and operational excellence—ensuring projects are delivered on time, within budget, and to the highest standards of quality. His disciplined execution and leadership consistently drive predictable results and strengthen long-term client partnerships.

Ahmed Al-Sakkaf, Assistant Project Manager

As Assistant Project Manager at E Contractors, Ahmed Al-Sakkaf supports project execution from preconstruction through closeout, assisting with coordination, documentation, and communication to ensure alignment with scope, schedule, budget, and quality objectives. He works closely with project managers, field teams, and subcontractors to maintain efficient and organized project delivery.

With a Bachelor of Science in Mechanical Engineering, Ahmed brings a strong technical foundation combined with hands-on experience across commercial, industrial, and infrastructure projects. His background enables him to effectively bridge design intent with field execution, supporting accurate decision-making and efficient project outcomes. Ahmed is proficient in managing RFIs, submittals, change orders, and project documentation, utilizing platforms such as Procore and Bluebeam to streamline coordination and maintain schedule control.

His approach emphasizes collaboration, accountability, and attention to detail. With strong communication skills and a proactive mindset, Ahmed plays a key role in resolving issues quickly and supporting consistent, high-quality project execution. He consistently contributes to improving workflow efficiency and strengthening coordination between the office and field.

Dustin Nguyen, Construction Manager

As Construction Manager at E Contractors, Dustin Nguyen oversees both project management and field operations, supporting execution from preconstruction through closeout. In this hybrid role, he bridges office and field functions—coordinating subcontractors, managing schedules, and ensuring alignment with scope, budget, safety, and quality requirements across all phases of construction.

With more than 12 years of experience in construction project management and architectural design, Dustin brings a well-rounded perspective to project delivery. His background includes managing multi-state commercial build-outs, leading design-build coordination, and navigating permitting and inspections to achieve Certificates of Occupancy without delays. He is highly effective in coordinating stakeholders, resolving field issues, and maintaining project momentum in fast-paced environments.

A U.S. Army veteran, Dustin brings a disciplined, results-driven approach to leadership, emphasizing accountability, teamwork, and proactive problem-solving. His ability to integrate design knowledge with construction execution allows him to anticipate challenges, optimize workflows, and deliver high-quality outcomes aligned with E Contractors’ standards of excellence.