About 3Triangle Resource Energy

Making Future — Engineering solutions for a sustainable world

Who we are

3Triangle Resource Energy is a leading international engineering, design, and advisory company. We help our clients progress in sustainability and the digital transition. We are 18,000 devoted experts within infrastructure, industry, energy, and digitalisation, carrying out missions in sustainable solutions for the next generation.

Founded over a century ago, we have evolved into a global engineering powerhouse while maintaining our core belief: that engineering can solve the world's most pressing challenges. We combine deep technical expertise with a passion for sustainable development.

Engineering a sustainable future

Our purpose is clear: to accelerate the transition towards a sustainable society. We do this by combining technical expertise with strategic advisory, helping our clients navigate the complex challenges of decarbonization, digitalization, and urbanization.

Our sustainability approach

Quick Facts

18,000+

Dedicated experts

SEK 27B

Net sales

40+

Countries

100+

Years of legacy

Vision, Mission & Values

To be a leading engineering and consulting company, creating sustainable solutions for the next generation. We envision a world where technology and human ingenuity work together to solve the most critical challenges facing society.

To accelerate the transition towards a sustainable society. We achieve this by combining deep technical expertise with strategic thinking, helping our clients navigate the complex challenges of decarbonization, digitalization, and urbanization. Every project we undertake is an opportunity to make a positive impact.

Brave

We dare to challenge conventional thinking and push boundaries for better solutions.

Dedicated

We commit fully to our projects and clients, delivering excellence in everything we do.

Team Players

We achieve more together, collaborating across disciplines and borders.

Our Global Divisions

Energy

Our Energy division delivers engineering solutions across the entire energy value chain — from generation and transmission to distribution and storage. We are at the forefront of the energy transition, supporting clients in wind, solar, nuclear, hydro, and grid infrastructure.

Industry & Digital

We help industrial clients optimize their operations through engineering excellence and digital transformation. From process design and automation to IoT, AI, and digital twins, our teams drive efficiency and innovation across manufacturing, chemicals, food & pharma, and more.

Transport & Places

Our Transport & Places division shapes the infrastructure and built environments that connect and support communities. We deliver solutions in roads, rail, aviation, maritime, buildings, and urban planning — all designed with sustainability at the core.

Leadership

Meet Our Partners

3Triangle Resource Energy is guided by a team of seasoned industry leaders whose combined expertise spans energy infrastructure, resource management, sustainable development, and international markets. Our partners are the driving force behind our mission to deliver transformative solutions.

Richard Kucharski

PartnerFlemington, New Jersey, USA

Richard brings over two decades of executive leadership in energy infrastructure and resource management. Based in New Jersey, he oversees 3Triangle's North American operations, driving strategic growth across the Eastern Seaboard's energy corridor. His deep expertise in utility-scale project development and regulatory navigation has been instrumental in securing key partnerships with state agencies and private energy firms. Richard's hands-on approach and commitment to sustainable energy solutions have positioned 3Triangle as a trusted partner for complex, multi-stakeholder projects across the region.

Areas of Expertise

Energy InfrastructureStrategic PartnershipsRegulatory AffairsUtility-Scale Development

+1 908 528 1473

Jakub O'Connell

PartnerMiami, FL, USA

Jakub leads 3Triangle's Southern U.S. and Latin American market expansion from Miami, bringing a unique blend of engineering vision and business acumen to the firm. With extensive experience in cross-border energy ventures and sustainable infrastructure development, he has built a track record of delivering high-impact projects across emerging markets. His multilingual capabilities and deep understanding of international regulatory frameworks make him an invaluable bridge between 3Triangle's global expertise and regional opportunities. Jakub is passionate about deploying innovative resource management solutions in fast-growing markets.

Areas of Expertise

International MarketsCross-Border Energy VenturesSustainable InfrastructureBusiness Development

johnoconnell433@gmail.com

Ethan G. Patraski

PartnerBillings, Montana, USA

Ethan anchors 3Triangle's Western operations from Billings, Montana, where his roots in natural resource management and energy development run deep. With extensive field experience across the Rocky Mountain region, he specializes in large-scale resource extraction projects, renewable energy integration, and environmental stewardship. Ethan's pragmatic, results-driven leadership style and his strong relationships with local communities, landowners, and regulatory bodies ensure that every project balances economic viability with environmental responsibility. He is a recognized voice in Western energy policy and land-use planning.