Johan Wijesinghe
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Waugh Thistleton Architects, London · 2025 – present
Architect and strategic consultant focused on materials development, technical due diligence, and the application of AI to industrialised construction. Advises financial institutions, developers, and policymakers on project viability, procurement strategy, and regulatory adoption across the UK, Europe, North America, and Australia.
ETH Zurich · 2024 – present
Founded and organises an annual conference at ETH Zurich bringing together investors, founders, architects, and academics to explore architecture as a venture-backed business.
ETH Zurich, Institute of Technology in Architecture · 2024 – 2025
Taught and conducted AI research at ETH Zurich, co-teaching Architecture in Large Quantities alongside Gilles Retsin. Research focused on how generative AI models and prefabricated systems can deliver affordable, sustainable homes at scale.
LEVER Architecture, Portland & Los Angeles · 2020 – 2024
Part of LEVER's Research and Innovation team, advancing mass timber design and digital project delivery. Balanced hands-on design with performance-based research, collaborating with engineers, code officials, and supply chain partners. Secured over $3M in research grant funding.
Department of Health Services, Los Angeles County · 2020
Brought prefabrication and data science expertise to a public health housing programme, advising on procurement and supply chain strategy for modular construction at county scale.
Gilles Retsin Architecture, London · 2018 – 2020
Hybrid role blending architectural design, robotics, and digital fabrication to reimagine cultural institutions and push the boundaries of computational construction.
Escher GuneWardena Architecture, Los Angeles · 2011 – present
Long-term part-time advisory role across historic conservation, adaptive reuse, and cultural commissions spanning residential, gallery, and institutional work.
Technical due diligence · Market and feasibility analysis · Fund raise support · evidence and reporting · Asset risk assessment · Procurement strategy · Regulatory and code adoption
Mass timber and prefabricated systems · Performance-based design · Fire, acoustic, and seismic testing · Supply chain management · Prefabrication logistics · BIM and digital delivery · Residential and commercial programme delivery
Grant writing and management (USD $3M+ secured) · EU Horizon programme research · Carbon and LCA modelling · Psychophysiological research · Timber supply chain analysis · Academic publishing and editing
Generative AI workflow development · Parametric and computational design (Rhino, Grasshopper, Dynamo) · BIM management (Revit, AutoCAD) · Deep learning research (GANs, RNNs) · Stable Diffusion and ComfyUI · Digital twins and AR/VR platforms (Unity, HoloLens) · Python, C#, PyTorch, TensorFlow
ETH Zurich guest faculty · University seminar instruction · Startup Architecture conference organisation · Client and stakeholder presentation · Cross-disciplinary team leadership
English (fluent) · German (basic) · Sinhala (basic)
MSc UCL · 2018–2019
Distinction. Dissertation: Domain Transfer in Pretrained Networks and GANs for Architecture. Supervised by Dr Sean Hanna and Khalid El-Ashry.
Bachelor of Architecture, SCI-Arc, Los Angeles · 2012–2017
Distinction. Full scholarship. Visiting studio: University of Applied Arts, Vienna (2016), Studio Kazuyo Sejima.
TimberHaus, EU Horizon · 2025 – present
Co-investigator on a psychophysiological research programme examining occupant health and wellbeing in mass timber environments. Evidence base applied to ESG reporting and asset differentiation across European investment portfolios.
Energy Trust of Oregon, Net Zero Fellowship · 2024 – 2025
Carbon reduction research and LCA modelling comparing Passive House and mass timber pathways across affordable housing, rental apartments, and commercial typologies. Published as Seeing the Forest Through the Trees; findings presented at public events in 2025.
Reacts and NHERI TallWood Project, NSF-funded · 2022 – 2024
Contributed to the seismic shake test, the tallest timber structure ever tested. Produced data summaries for codification studies and resilient design guides.
Forest-to-Frame, USDA Wood Innovation Grant · 2021 – 2024
Co-developed a digital procurement platform with Ecotrust and Sustainable Northwest. Timothy Cooke (2023).
Domain Adaptation Research, UCL Bartlett · 2018 – 2019
Conducted under Dr Sean Hanna on generative adversarial networks for architectural spatial analysis and generation. Explored layer-wise domain adaptation and the projection problem, drawing on Elman's foundational work at UCSD.
Seeing the Forest Through the Trees, Energy Trust of Oregon (2025)
Research report on zero-carbon building strategies; presented at public events alongside senior fellows.
Bartlett Journal Vol. 10: Algorithms Are Here to Stay (2019)
Curated and edited essays on architecture, automation, and ethics in computational design. Published by UCL Bartlett.
Binary Shelter: Notes on the Unhoused, Underscore Journal Vol. 3 (2016)
Visual essay on temporary housing and spatial precarity in Los Angeles.
Venice Architecture Biennale, Reporting from the Front (2016)
Exhibited at visiting studio.
Architecture in Large Quantities, ETH Zurich · 2024 – 2025
Co-taught with Gilles Retsin. Focus on AI, prefabrication, and scalable housing delivery.
Forest to Frame, University of Oregon · 2023
Seminar on sustainable timber supply chains, carbon flows, and intentional sourcing. Taught with Timothy Cooke.
Digital Futures Workshop, Tongji University, Shanghai · 2019
Instruction in AI-assisted design, robotic fabrication, and mixed-reality workflows.
Pop-Arch Community Outreach, SCI-Arc, Los Angeles · 2015 – 2017
Design-build workshops for local high school students; introduced underrepresented youth to spatial thinking, model-making, and digital tools.
Manufactured Wood Products and the Future of Timber Construction
Woodbury University, 2025
Forest to Frame
ETH Zurich, 2024
AI and Architectural Details
Various venues, 2023 – present