I am excited to share a comprehensive biography that captures my journey across more than 30 years in civil engineering, public utilities leadership, and community service. As I move into the advisory and board-focused phase of my career, I look forward to continuing to contribute to organizations that value strategic thinking, operational excellence, and purpose-driven leadership.

I am grateful for the opportunities, experiences, and relationships that have shaped my career across engineering, development, and community service. As I continue to support organizations and communities in meaningful ways, I am pleased to share a more complete picture of my professional journey. Here is my biography.

I’m excited to share a deeper look into my professional journey, from my early days in environmental engineering to the innovative wastewater and water quality projects I’ve had the privilege to lead across the country. My work has always centered on advancing sustainable technologies, strengthening community infrastructure, and building collaborative solutions for long-term environmental resilience. Here is my biography.

Denis Irambona is a seasoned international construction consultant with over 20 years of experience leading high-impact infrastructure projects across fragile and high-risk contexts. A trusted advisor to governments and global development agencies, he specializes in climate-resilient design, donor compliance, and strategic project governance—transforming infrastructure into sustainable, community-focused solutions.

Andrew Nickerson is a seasoned civil engineer and strategic business leader with over 32 years of experience guiding infrastructure projects, mentoring engineering teams, and shaping industry policy. As a Principal at Psomas and President of the ACEC Los Angeles Chapter, he combines technical expertise with a passion for public service, advocating for sustainable development and regulatory innovation across California. Known for his balanced leadership style and clear communication, Andrew brings deep industry knowledge, strategic foresight, and a collaborative spirit to every boardroom and initiative he supports.

Arthur Schoenewaldt, III, PE, is a seasoned engineering executive with over 47 years of experience leading complex construction and restoration projects across healthcare, education, infrastructure, and coastal environments. As Director of the Restoration Consulting Division at Karins Engineering, he brings a strategic blend of technical expertise, operational leadership, and client-centered focus to every project. From managing \$500 million hospital reconstructions in New York to directing regional engineering operations across Florida, Arthur has built a legacy of excellence grounded in integrity, innovation, and results. His commitment to quality, education, and professional growth makes him a trusted leader in the engineering consulting field.

Naomi Fraenkel Altschul, AICP, FE, is a nationally respected economist and infrastructure strategist whose 25-year career has transformed how the United States plans for coastal resilience and public infrastructure. As Chief Economist for the U.S. Army Corps of Engineers, Naomi has overseen the development of over $11 billion in federally authorized projects, leading with a rare blend of technical precision, policy fluency, and visionary planning. With deep expertise in risk management, public finance, and urban development, she brings a powerful voice to the future of sustainable, equitable infrastructure.

Nima Haghbin is a visionary operations and construction leader with a rare blend of hands-on field experience and forward-thinking technological insight. With more than 15 years of global expertise spanning large-scale infrastructure projects, cost consulting, and SaaS implementation, Nima has built a reputation for driving efficiency, innovation, and growth. Known for his empathetic leadership style and strategic mindset, he brings deep operational knowledge and a passion for helping organizations thrive in the evolving construction landscape.

Thomas Ali is a seasoned engineering and infrastructure executive with over 35 years of experience leading high-growth firms, driving strategic M&A, and delivering strong financial performance across public and private markets. As CEO of Madrid Amalgamated Group, he oversees a multi-disciplinary portfolio of engineering firms and has played a pivotal role in expanding market reach, optimizing operations, and achieving significant EBITDA gains. Known for his boardroom leadership, operational turnaround expertise, and commitment to talent development, Thomas brings a rare blend of technical knowledge, business acumen, and governance insight. His career reflects a consistent ability to lead through complexity, scale organizations, and create lasting value across the engineering and infrastructure landscape.

I'm excited to share my professional biography, reflecting on my journey from engineer to executive, my experience leading an employee-owned company, and my passion for helping others succeed in consulting engineering and employee ownership.

After three decades of leadership across the U.S. military and global engineering programs, I’m preparing for the next chapter of impact and service. I’m exploring board opportunities with organizations looking for strategic insight, project excellence, and values-driven leadership. Here is my biography.

John P. Boyle II is a seasoned infrastructure executive and board leader with over two decades of experience driving growth, operational excellence, and strategic innovation across the construction and civil engineering sectors. As President of United Infrastructure Group, he has led the company through rapid expansion, managing landmark transportation projects and a portfolio exceeding $750 million in backlog. Known for his authentic leadership, deep industry expertise, and dedication to safety and team development, John also brings a powerful voice to national policy discussions through his work with ARTBA and other industry associations. An Amazon best-selling author and respected public speaker, he combines business acumen with a passion for mentoring and mission-driven leadership.

I’ve had the privilege of working on complex engineering challenges across public and private sectors, leading teams, mentoring professionals, and driving sustainable solutions. My career has been dedicated to solving infrastructure and environmental problems with strategic vision and technical expertise. Here is my biography.

With over 34 years of experience in engineering, operational strategy, and business growth, I’ve had the privilege of leading teams, managing acquisitions, and driving innovation across multiple industries. My passion lies in helping organizations navigate challenges, optimize performance, and achieve sustainable success. I’m excited to explore new opportunities where my expertise can contribute to strategic growth and governance. Here is my biography.

I’m excited to share my executive biography, highlighting my 37 years of leadership in engineering, business strategy, and public service. I’ve had the privilege of leading successful organizations, driving economic policy, and contributing to community development. Now, I’m looking to leverage my expertise in board and advisory roles to help businesses and nonprofits grow and navigate strategic challenges.

G. Keith Denos is a seasoned leader in water resource management and consulting, bringing over 30 years of expertise in engineering, infrastructure planning, and financial stewardship. As the Principal of GK Denos Consulting and former General Manager of the Provo River Water Users Association, he has successfully managed large-scale water systems, optimized multi-million-dollar budgets, and guided organizations through complex water management challenges. With advanced degrees in civil and environmental engineering, irrigation engineering, and finance, Keith combines technical expertise with strategic vision to deliver sustainable and fiscally responsible solutions. His commitment to integrity, innovation, and stakeholder collaboration makes him a trusted advisor in the water industry, helping clients navigate the evolving landscape of water resources with confidence.