Marcus Leach

Marcus Leach is a managing director with over twenty years of experience advising Fortune 500 companies, private equity investors, and high-growth businesses on enterprise strategy, mergers and acquisitions, transformation, and long-term resilience. He helps companies and investors evaluate growth opportunities and navigate complex market and regulatory dynamics across energy, infrastructure, technology, and other capital-intensive sectors.

Mr. Leach’s work spans enterprise, portfolio, and growth strategy; commercial and operational due diligence; divestitures; integration planning; and post-merger value creation. He has advised on structural shifts in energy and infrastructure, emerging technologies, data centers, power demand, and translating strategic priorities into operational improvements.

Mr. Leach also advises on climate and sustainability strategy, including climate risk, transition planning, maturity and double materiality assessments, and reporting and disclosure readiness. His areas of focus include emissions, water, nature, biodiversity, and broader environmental and social considerations that inform business strategy and resilience.

Before joining BRG, Mr. Leach held leadership roles spanning deal advisory and strategy, infrastructure, and sustainability, including global technology, media, and telecommunications sustainability leadership and US sustainability strategy leadership.