Tomislav Žigo, AIA

CEO

St Louis, Missouri, United States30 yrs 7 mos experience
Highly Stable

Key Highlights

  • Leader in digital transformation across multiple industries.
  • Expert in BIM-centric project delivery and data integration.
  • Registered architect with advanced engineering degrees.
Stackforce AI infers this person is a leader in digital transformation within the architecture, engineering, and construction (AEC) industry.

Contact

Skills

Core Skills

Digital TransformationLeadershipProject ManagementBimSustainable DesignArchitectural DesignTechnology Integration

Other Skills

BEXELDesign CollaborationResource PlanningConstruction ManagementBusiness Relationship ManagementProblem SolvingEnterprise Solution DesignStrategic PlanningChange ManagementTeam LeadershipBusiness Process ImprovementContract NegotiationAutodesk BIM 360Oracle PrimaveraConstruction

About

I lead digital transformation at the intersection of technology, process, and the built environment. Over the past three decades, I have worked across manufacturing, architecture, academia, and construction, with experience in process optimization, BIM implementation, building performance analysis, data-driven design, facility management, mixed reality, reality capture, UAV applications, and construction workflow improvement. I believe technology should amplify human ingenuity, not replace it. When applied well, it improves how teams work, leads to better outcomes, and contributes to a more equitable and human-centered built environment. As CEO of BEXEL USA, I work with organizations seeking to improve project delivery through organizational transformation and technology. My focus is on helping teams connect data, process, and decision-making through BIM-centric, scalable, data-driven, and AI-enabled approaches that bring greater clarity to project performance. I am a registered architect with a Master of Science in Mechanical Engineering from the University of Rijeka in Croatia and a Master of Architecture from Washington University in St. Louis.

Experience

Bexel usa

CEO

Oct 2025Present · 5 mos · United States · On-site

  • BEXEL is a platform built by users, for users, refined through two decades of real project experience. Over the past 20 years, the BEXEL platform has supported nearly a trillion dollars’ worth of construction worldwide, powering some of the most complex and demanding projects across industries and continents.
  • Its foundation—open standards, interoperability, transparent and connected data—represents what actual progress in our industry should look like.
  • At BEXEL USA, we’re bringing this proven expertise to the North American market, helping owners, builders, and designers create integrated, data-centric project environments that deliver measurable results.
BEXELTechnology IntegrationDesign CollaborationResource PlanningConstruction ManagementBusiness Relationship Management+4

Voxeltwin

Founder

Jul 2025Present · 8 mos · Saint Louis, Chicago, Wien

Clayco

3 roles

Chief Technology Officer

Promoted

Oct 2020Apr 2025 · 4 yrs 6 mos

  • Leading and inspiring the next generation of leaders.
  • Facilitating adoption of Lean construction practices.
  • Establish the strategy and facilitate Digital Transformation for a growing business.
  • Aligning design & construction project delivery paradigm with Industry 4.0.
  • Institutionalized Innovation approach at the enterprise level.
  • Utilization of BIG data and Predictive Analytics in project lifecycle.
  • Securing Clayco’s leadership position in innovation and technology transformation.
  • Transforming AEC industry through the early adoption of robotics.
  • Design and Field Data Integration for comprehensive project handover and integration into clients CAFM & CMMS systems.
  • Paving the path of executing an integrated project delivery cycle with fully deployed 4D and 5D processes.
  • Team building and integration.
Strategic PlanningDigital TransformationTechnology IntegrationChange ManagementTeam LeadershipDesign Collaboration+5

Vice President - Virtual Design and Construction

Promoted

Sep 2017Apr 2025 · 7 yrs 7 mos

  • In his role at Clayco Inc., Tomislav leads VDC team of experts that are not afraid of tackling complex problems with the attitude and smarts to reach the optimal solution at any organizational level. This team provides leadership in use of digital technology for collaboration, project execution, learning and applicable knowledge transfer on the range of processes associated with AECO domain.
  • Being responsible for advancement and deployment of BIM on Clayco projects means overseeing the use and the quality of BIM related deliverables ranging from those that are specific to our design process, through the pre-construction, field deployment and ultimately the handover of digital facility management ready data to our clients. In this context he also leads the effort in identifying and addressing the immediate technology project needs on all of Clayco projects.
  • Among other tasks he provides objective and relevant information to leadership group in regard to current and future status of technology adoption and collaborates in defining the work product through hands-on production technology assessment.
  • The level of expertise that was developed under his leadership, and is directed toward excellence in project delivery, covers the following set of activities through which Clayco VDC team can address the need of internal project or offer a valuable consulting service to our partners or our clients:
  • Technology status assessment
  • BxP planning and implementation
  • Building Performance Modeling
  • Algorithmic form and program finding and evaluation
  • Enhanced project visualization
  • MEP & FP systems modeling
  • Enhanced coordination and reporting
  • Project related data mining
  • Cloud based collaboration (BIM 360 Field & Glue)
  • VDC project support as part of expanded CA offering
  • Implementation, development and use of 4D & 5D deliverables
  • Remote sensing via Laser Scanning or UAV derived photogrammetry
  • Strategic CAFM / CMMS consulting and partnering
Project ManagementTeam LeadershipAutodesk BIM 360Oracle PrimaveraConstructionContract Negotiation+5

Director - Virtual Design and Construction

Sep 2008Oct 2020 · 12 yrs 1 mo

Project ManagementLaser ScanningTeam LeadershipAutodesk BIM 360Oracle PrimaveraConstruction+5

Washington university

Lecturer

Jan 2005Apr 2019 · 14 yrs 3 mos

  • Teaching two courses that focus on the principles of energy modeling a sustainable design as examined through Building Performance Analysis and applied Building Information Modeling methodology. Focus of his teaching is on applicable integration of BIM and Building Performance Analysis (BPA) and the significance of both for the future of sustainable architectural design practice supported by analytical modeling. This academic engagement greatly influences my professional work through the adaption and implementation of advanced methodologies and research in everyday AEC practice
Project ManagementLaser ScanningTeam LeadershipAutodesk BIM 360Oracle PrimaveraConstruction+5

Arba studios lc

Owner

Jan 2004Jan 2008 · 4 yrs

  • ARBA studios specialized in BIM methodology implementation and consulting as well as application of same on medium and small scale institutional and light commercial projects.
  • Service offered
  • Process analysis
  • Training
  • Implementation
  • Customization
  • Development
  • Architectural design projects by ARBA Studios.
  • Available upon request
Energy AnalysisVirtual DesignSustainable DesignTrainingTechnology IntegrationExecutive Coaching+4

Hagerman & company

AEC Engineer

Jan 2004Jan 2005 · 1 yr

  • BIM training for the leading architectural offices in the Mid West Region was conducted with special emphasis on implementation of BIM methodology and its potential with respect to knowledge management and Building Performance Design.
Project ManagementLaser ScanningArchitectural DesignAutodesk BIM 360Energy AnalysisPython (Programming Language)+5

Christner inc.

CAD manager and project architect

Aug 2000Nov 2004 · 4 yrs 3 mos

  • Project Architect and CAD manager, visioning, promoting and implementing BIM methodology on medium to large scale healthcare projects. Architectural visualization and CAD system customization.
  • Building envelope performance analysis.
Laser ScanningAutodesk BIM 360Energy AnalysisContract NegotiationDesign CollaborationVirtual Design+5

Washington university in st. louis

Consultant

Aug 1996Aug 1999 · 3 yrs · Saint Louis · On-site

  • Research and development of VRML technology for urban visualization.
Project ManagementArchitectural DesignConstructionDesign CollaborationVirtual DesignTraining+5

"3 maj" shipyard

Production Engineer

Nov 1991Jan 1994 · 2 yrs 2 mos · Rijeka, Primorje-Gorski, Croatia · On-site

  • Mechanical engineer in Sulzer Marine production division.
Design CollaborationConstruction ManagementTechnology Integration

Education

Washington University in St. Louis

MArch — Architecture

Jan 1996Jan 1999

Washington University in St. Louis - Technology & Leadership Center McKelvey School of Engineering

Data Analytics Bootcamp — Data Analytics

Jan 2019Jan 2020

Sveučilište u Rijeci / University of Rijeka

Master of Engineering - MEng — Mechanical Engineering

Jan 1986Jan 1991

Prva Rijecka Gimnazija

High School — Information Technology

Jan 1981Jan 1985

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