leadership

Juan A. Murillo, P.E.

Juan A. Murillo has over 45 years of experience in civil engineering design and construction, with vast experience in the design and construction of roads and bridges. He pioneered the development of segmental and cable-stayed bridges as well as other major bridge and highway structures in the USA and around the World. The more iconic projects that he has been involved with are, the SUNSHINE SKYWAY cable-stayed bridge and segmental approaches in Tampa/Saint Petersburg Florida as well as the segmental bridges in the Florida Keys as the Assistant Technical Director of Figg & Muller Engineering; the Seismic Retrofit of the Golden State Bridge in San Francisco California and the Jamuna Bridge in Bangladesh  as the Technical Director of T Y Lin International; The Baldwin Bridge along I-95 in Connecticut, Spaghetti Bowl in Las Vegas Nevada, DFW Connector and Horseshoe Projects in Dallas Texas, and the soon to be completed Gerald Desmond Bridge Replacement Project over the Port of Long Beach California which is the first Caltrans Cable Stayed Bridge as the Technical Director for Major Bridges for Parsons Brinckerhoff.

Juan Murillo is also the author of articles and books, on topics of Engineering and Technological innovation. His works have been published in the USA by Wiley Interscience and the National Academy of Sciences Press. Additionally, Juan appeared on the cover and in several articles of the US Engineering News Records (ENR). 

Juan was awarded the US presidential medal in 1985 for innovations in engineering, he received the “Pioneering Award” for technical excellence in 2004, and the Hispanic leader in Technology in 2005.

JOSE GABRIEL MURILLO, P.E.

 

Senior Project Engineer & Multidisciplinary Lead 

 

 

A licensed Professional Engineer with over eight years of comprehensive experience, Gabriel specializes in heavy civil construction, large-scale site development, and structural design. Holding both a Master of Engineering in Structural Engineering and a Bachelor of Science in Civil Engineering from the University of Texas at Arlington, they bridge the gap between complex theoretical analysis and practical field execution.

Throughout their career, Gabriel has demonstrated a proven track record in managing full-cycle civil designs for high-impact residential and commercial developments. Their expertise extends to precision cost estimation, advanced surveying coordination, and field engineering for critical infrastructure. A strategic leader, [Name] excels at navigating the regulatory landscape of the DFW Metroplex, maintaining strong relationships with municipal agencies to move projects seamlessly from initial concept to final closeout.

 

    • Lead civil engineering efforts for site development of multiple single-family residential subdivisions, including grading, paving, and stormwater design.

    • Perform hydrologic (stormwater) and hydraulic calculations (Potable and Sanitary sewer) for city utilities in compliance with municipal and state standards.

    • Design and coordinate civil engineering for commercial and residential projects, including restaurants, gas stations, single-family homes, townhome developments among others.

    • Lead and manage multidisciplinary teams of architects, electrical, mechanical, and civil engineers to deliver coordinated construction-ready designs.

    • Coordinate permit applications and work directly with engineering departments across multiple DFW-area municipalities to secure approvals and advance projects to construction.

    • Support construction-phase services, including responses to RFIs, agency comments, and design clarifications.

    • Civil & Design Software: AutoCAD Civil 3D, MicroStation, Revit, Blender 3D

    • Estimating & Construction: AGTEK 4D, Trimble Business Center, InEight (In-8 Suite)

    • Engineering Tools: Hydrologic & Hydraulic modeling tools (EPANET, EPASWMM, HecRAS)

    • Other: Microsoft Office Suite (Excel, Word, Project)

    • (Hablo español)

Andres Perez

Andres is a dynamic Electromechanical Engineer who brings a robust academic foundation and diverse technical expertise to the ECIS, Inc. team. He holds a Bachelor of Science in Electromechanical Engineering and a Master’s in Industrial Automation. Continuing his pursuit of technical mastery, Andres is currently finalizing a second Master’s degree in Electrical and Electronic Engineering. His multi-disciplinary background allows him to bridge the gap between mechanical systems and electronic control, providing comprehensive solutions for complex engineering challenges.

 

 

Since joining ECIS in 2023, Andres has become a vital asset in navigating the regulatory landscape of the Dallas-Fort Worth area. He has developed specialized expertise in the preparation and clearance of mechanical and electrical COMcheck documentation, ensuring that projects meet the stringent energy codes required by local cities and approving authorities. His hands-on experience spans an impressive portfolio of sectors, including high-traffic gymnasiums, large-scale multifamily developments, modern restaurants, and essential fueling stations.

 

 

Andres leverages a sophisticated suite of design and analytical tools to bring precision to every project. He possesses vast proficiency in AutoCAD, Revit, and the broader Autodesk ecosystem, alongside technical mastery of E-Plan, MATLAB, and Microsoft Office. By combining these advanced software capabilities with his practical field experience, Andres delivers efficient, code-compliant designs that streamline the construction process for ECIS clients.

Jineth Gutierrez


Jineth is a highly dedicated Civil Engineer who has been an integral part of the team since 2023. She specializes in hydrological and stormwater detention systems, contributing significantly to the design and drafting of grading, site, and pavement plans. Her technical expertise includes:

  • Environmental Compliance: Developing Erosion Control and Stormwater Pollution Prevention Plans (SWPPP).

  • Utility Infrastructure: Managing potable water alignments, hydraulic calculations, and wastewater profiles.

  • Safety & Compliance: Verifying fire safety clearances for vehicle access, Fire Department Connections (FDC), and hydrant placement.

Jineth’s portfolio spans commercial sectors—including restaurants, fitness centers, and fueling stations—as well as residential single-family developments. A natural leader, she coordinates seamlessly with multidisciplinary teams to deliver high-quality results under tight deadlines.

Ernesto Perez



Ernesto is a driven Architectural Associate with extensive expertise in Revit and Building Information Modeling (BIM). Since joining the firm in 2024, he has applied his proficiency in spatial optimization to enhance project efficiency across the residential and commercial sectors. Ernesto specializes in creating immersive visualizations using Twinmotion, allowing clients to visualize their projects with high-fidelity rendering.

His comprehensive technical repertoire includes the development of:

  • Construction Documentation: Detailed floor plans, elevations, sections, and RCPs.

  • Compliance & Logistics: Egress plans, door/window schedules, and material quantities.

  • Integrated Design: Executing architectural details, specifications, and providing cross-disciplinary BIM support for structural engineering teams.

Ernesto is a highly collaborative professional whose technical versatility and positive demeanor make him an invaluable contributor to every project team.

Verena Antezana

Verena is a results-driven Electromechanical Engineer who has been a vital asset to our team since 2024. Known for her meticulous approach to system distribution and design, Verena ensures maximum efficiency and safety in every project. She specializes in high-precision electrical and mechanical calculations, with a particular focus on the accurate sizing of panels and subpanels to meet rigorous industry standards.

Technical Proficiencies:

  • System Design: Interior and exterior illumination, power distribution, and single-line diagrams (SLD).

  • Engineering Analysis: Advanced mechanical and electrical load calculations for residential and commercial applications.

  • Software Expertise: Highly proficient in Revit, E-Plan, AutoCAD, and the Autodesk Suite, as well as specialized automation software for control systems.

Verena’s academic excellence and proactive pursuit of advanced mechanical certifications demonstrate her commitment to engineering integrity and innovation.

Andrea Cartagena


Andrea joined our firm in 2025, bringing a unique blend of engineering precision and creative flair. With a background in Industrial Engineering, she specializes in advanced 3D modeling and spatial visualization, using tools like Blender 3D and the Autodesk Suite to provide our clients with a clear, immersive look at their future projects.


In addition to her technical role, Andrea manages our firm’s marketing and web infrastructure. Whether she is refining a complex CAD drawing or optimizing our digital outreach through WordPress and Elementor, her “Swiss-Army-Knife” versatility and infectious positive energy propel our team toward every deadline. Andrea is dedicated to excellence, ensuring that our technical output is matched by a professional and engaging public presence.

Greta Tezanos

Structural Engineer 

 

Greta is a highly skilled Structural Engineer specializing in the design and analysis of complex commercial and residential frameworks. Since joining the firm in 2023, she has been instrumental in ensuring the structural integrity of diverse building types through advanced computational modeling.

 

She utilizes Bentley’s RAM Elements for Finite Element Analysis (FEA), performing rigorous structural simulations and material-specific designs to optimize safety and cost-efficiency. Leveraging the Autodesk Suite and Revit, Greta seamlessly integrates structural components into BIM workflows, producing comprehensive plans and detailed technical reports that clearly outline design methodologies and code compliance.