Human-Centered Building Performance Consultant

Science-based Design

Healthier Experience

Sustainable Growth

Herwin Gunawan LEED WELL ESG UN SDG.png
  • 250+ Project Since 2010

    200+ Project Since 2010
  • Serving Asia & Global Clients

    Serving Asia & Global Clients
  • Interdisciplinary Performance

    200+ Projects
  • Human-Centered Design

    Human Centered

Performance - Reimagined

We help project owners, architects, designers, consultants and contractors projects perform better through integrated multi-disciplinary building physics and building technology design.

Align with ESG goals and UN SDGs by optimizing occupant wellbeing and environmental performance through the rigorous standards of LEED and WELL certification.

We go beyond compliance. Our approach optimize design of material, sound, light, thermal, ventilation and air quality to shape human experience — physically, mentally, socially, and spiritually.

JP Morgan

Bank of America

DBS

Bank Indonesia

Mandiri

ByteDance

Meta

Spotify

Nokia

Astra Zeneca

GBK IMS

Jakarta International Stadium

Agung Sedayu

Agung Podomoro

Paramount

Shimizu

Takenaka

Western Sydney University

Tzu Chi School

Katedral Jakarta

Katedral Makassar

JP Morgan Bank of America DBS Bank Indonesia Mandiri ByteDance Meta Spotify Nokia Astra Zeneca GBK IMS Jakarta International Stadium Agung Sedayu Agung Podomoro Paramount Shimizu Takenaka Western Sydney University Tzu Chi School Katedral Jakarta Katedral Makassar

SHAU

Mmoser

GardeTokyo

Gensler

AndraMatin

PDW

Hanawal

GeniusLoci

ACG

Aboday

PTI

Hawawinata

dpi

Metaphor

CDA

Inspiral

Ong&Ong

DCM

Canang

JAP

BlueAntz

SHAU Mmoser GardeTokyo Gensler AndraMatin PDW Hanawal GeniusLoci ACG Aboday PTI Hawawinata dpi Metaphor CDA Inspiral Ong&Ong DCM Canang JAP BlueAntz

The ALTA Integra 5+7 Human-Centered

Building Performance Frameworkâ„¢

5 Building Physics Design Elements + 7 Sensory Integration Systems

Multi-Discipline Services

Selected Portfolio

  • Corporate

    Standalone or integrated design strategies across acoustics, lighting, audiovisual systems, passive design, and standardized guidelines. Enhance workplace performance by improving speech clarity, visual comfort, and seamless communication while reducing energy demand and operational costs.

    When aligned with LEED and WELL certification frameworks, these approaches further strengthen corporate value by promoting sustainability, supporting employee wellbeing, ensuring consistency across assets, and elevating overall organizational productivity and reputation.

  • Education

    Standalone or integrated design strategies across acoustics, lighting, audiovisual systems, passive design, and standardized guidelines. Create high-performing educational environments by improving speech intelligibility, visual comfort, and immersive learning while reducing energy demand and operational costs.

    When aligned with LEED and WELL certification frameworks, these approaches further enhance student and staff wellbeing, support cognitive performance and engagement, ensure consistency across campuses, and strengthen institutional sustainability, reputation, and long-term value.

  • Sport

    Standalone or integrated services across acoustics, lighting, audiovisual systems, passive design, and standardized guidelines. Create high-performing sports training and competition environments by ensuring optimal visibility, speech clarity, and immersive event experiences while enhancing thermal comfort, energy efficiency, and operational reliability.

    When aligned with LEED and WELL certification frameworks, these approaches further support athlete performance and recovery, improve spectator comfort and engagement, promote health and safety, and strengthen sustainability, consistency, and long-term facility value.

  • Cultural Space

    Standalone or integrated multi-discipline design strategies across acoustics, lighting, audiovisual systems, passive design, and standardized guidelines. Create high-performing cultural environments by delivering exceptional sound quality, precise visual experience, and immersive storytelling while optimizing energy use and operational efficiency.

    When aligned with LEED and WELL certification frameworks, these approaches further enhance audience comfort, performer experience, and artifact preservation, ensure consistency across venues, and strengthen cultural value, sustainability, and long-term institutional performance.

  • Entertainment

    Standalone or integrated services across acoustics, lighting, audiovisual systems, passive design, and standardized guidelines. Create high-performing entertainment environments by delivering exceptional sound quality, dynamic visual experiences, and immersive storytelling while optimizing energy efficiency and operational reliability.

    When aligned with LEED and WELL certification frameworks, these approaches further enhance audience comfort, performer experience, and venue adaptability, while strengthening sustainability, consistency, and long-term asset and brand value.

  • Studio

    Standalone or integrated services across acoustics, lighting, audiovisual systems, passive design, and standardized guidelines. Create high-performance studio environments for music, television, and film by delivering precise sound isolation and clarity, controlled and adaptable lighting conditions, and reliable, high-fidelity AV infrastructure while optimizing energy efficiency and operational workflows.

    When aligned with LEED and WELL certification frameworks, these approaches further enhance occupant comfort and wellbeing, support creative focus and technical accuracy, and strengthen sustainability, consistency, and long-term asset value.

  • Hospitality

    Standalone or integrated design strategies across acoustics, lighting, audiovisual systems, passive design, and standardized guidelines. Create high-performing hospitality environments by delivering superior guest comfort, immersive ambiance, and seamless communication while optimizing energy efficiency and operational performance.

    When aligned with LEED and WELL certification frameworks, these approaches further enhance guest wellbeing, staff productivity, and brand experience, while strengthening sustainability, consistency across properties, and long-term asset value.

  • Worship

    Standalone or integrated design strategies across acoustics, lighting, audiovisual systems and passive design. Create high-performing houses of worship by enhancing speech intelligibility, visual serenity, and immersive spiritual experience while reducing energy demand and operational costs.

    When aligned with sustainability and health environment design frameworks, these approaches further support congregational comfort and wellbeing, improve inclusivity and engagement, ensure consistency across facilities, and strengthen long-term sustainability, stewardship, and community value.

  • Cities & Communities

    Standalone or integrated services to measure and manage urban environmental impacts, including air, noise, and light pollution, as well as waste. At the same time, we analyze and optimize water consumption, energy use, transportation systems, and overall human experience to support high-performing, sustainable, and livable cities.

    LEED for Cities and WELL Community together provide a comprehensive framework for creating sustainable, resilient, and human-centric urban environments—integrating performance metrics across energy, water, waste, mobility, and infrastructure with a strong focus on health, wellbeing, comfort, and social equity. This combined approach enables cities and developments to deliver measurable environmental performance while enhancing quality of life, community engagement, and long-term urban value.

Credential & Engagement

The Journey from Environment to Experience

Explore how the seven human senses perceive climate, biodiversity, sound, light, air quality, and urban environments—and how human-centered building performance design transforms these environmental inputs into healthier, more comfortable, and more sustainable human experiences.

Research & Insights

Research & Insights across acoustics, lighting, passive design, and broader building physics — exploring how environmental performance and sensory experience interact to shape high-performing, human-centered built environments, while translating technical analysis into practical design insights that enhance comfort, wellbeing, and sustainability.

Learning from Places

Observe how culture, climate, history, technology, and human behavior interact to shape the built environment.

These observations inform our approach to human-centered building performance.

Sydney Opera House illuminated at night with a cloudy sky and water in the foreground.

Cultural and Event Space

The Notre-Dame Cathedral in Paris at dusk, illuminated with warm lights, with the Seine River and city buildings in the foreground.

Historical Building

Night view of a historic city with two medieval towers, a bridge over water, and illuminated buildings reflecting in the water, under a cloudy evening sky.

Nature, City and People

A city skyline with a prominent modern skyscraper featuring a lattice design and large oval window in the foreground.

Modern Building

Company Profile

ALTA Integra Company Profile and Project Portfolio 2026

Download ALTA Integra Company Profile, Driven by curiosity and built on purpose, this is where bold thinking meets thoughtful execution.

CONTACT

Available for consultancy, interdisciplinary collaboration, research, and speaking engagements across Southeast Asia and International Markets.