Advising owners, investors, and management teams on capital allocation, strategic transactions, and operational performance in complex, high-stakes environments.
We work with companies and investors where decisions matter — evaluating strategic alternatives, structuring capital, improving performance, and navigating complex situations.
Explore Advisory ServicesFocused on sectors where capital intensity, execution complexity, and long-term value creation intersect.
Lumen Infrastructure Advisors focuses on high-impact situations in capital-intensive industries where strategic clarity, capital discipline, and execution determine outcomes.
The firm works with owners, investors, and management teams across infrastructure, energy, telecommunications, and real assets, particularly in situations involving complexity, transition, or strategic inflection points.
Lumen Infrastructure Advisors operates at the intersection of strategy, capital allocation, and execution.
Lumen Infrastructure Advisors combines strategic advisory with hands-on operating experience.
Lumen Infrastructure Advisors is led by Luis G. Mendez, a senior executive and advisor with more than 25 years of experience in infrastructure and energy.
View Full BioWe support leadership teams and investors in evaluating and executing strategic alternatives, particularly in complex or inflection-point situations.
We advise on capital structure, liquidity, and financial strategy in situations requiring clarity, discipline, and execution under pressure.
We work alongside management teams to improve performance, stabilize operations, and deliver results in complex operating environments.
In select situations, we step into senior operating roles on an interim or project basis, particularly where speed, control, and judgment are required.
Available for select board roles, with a focus on infrastructure, energy, and real assets — bringing broader experience in capital allocation, risk management, and strategic decision-making applicable across industries.
Experience leading businesses, not just advising them — judgment forged through real execution.
Deep understanding of capital structure, investor priorities, and financial strategy under pressure.
Moving from strategy to implementation — with the ability to step in when it matters most.
A limited number of mandates, focused where experience and judgment make a measurable difference.
Luis G. Mendez is a senior executive and advisor with more than 25 years of experience leading infrastructure and energy businesses across North America, Latin America, and emerging markets.
He has held CEO, COO, and senior executive roles with responsibility for P&L, financial and operational performance, leading large-scale platforms and managing complex, multi-country operations. His experience includes corporate development, capital allocation, structured finance, and operational execution in capital-intensive industries.
Over the course of his career, he has led and executed more than $7 billion in strategic transactions, including acquisitions, divestitures, restructurings, and market exits, generating significant value for shareholders and private equity investors.
Since 2020, he has been actively advising owners, boards, and management teams on acquisitions, portfolio integration, asset optimization, and liquidity strategy across infrastructure platforms in the United States and Latin America. He has also acted as an expert in international arbitration matters, contributing to the preservation and recovery of substantial asset value.
Previously, he served as Senior Vice President and Head of Latin American Operations at Quanta Services, reporting directly to the CEO with responsibility for P&L and overall performance across seven countries (Chile, Colombia, Peru, Mexico, Panama, Guatemala, and Ecuador) and a workforce of more than 3,600 employees. Prior to that, he was Executive Vice President of Corporate Development at Ashmore Energy International, where he led complex M&A, restructurings, and multi-jurisdictional divestitures, generating 3x returns for shareholders. He also served on company boards, contributing to governance, strategic oversight, and value creation across multiple jurisdictions.
Luis brings a combination of financial judgment, operational experience, and commercial discipline, with a focus on value creation in complex and high-stakes environments.
For advisory, executive, or board opportunities — we welcome a confidential conversation.