new hire

New York law firm expands energy practice with new partner appointment

Sarah McLean brings over 20 years of energy industry experience to her new role at Willkie Farr & Gallagher. Photo via Wilkie.com

Willkie Farr & Gallagher has announced that Sarah McLean has joined the firm’s Houston office as a partner. It's the sixth energy industry group hire in the past year.

McLean’s practice will focus on private equity transactions. Mostly the transactions will be acting for sponsors in making portfolio investments, exiting their investments, and growing their platform companies.

“Willkie has leading private equity and transactional capabilities, a fast-growing energy platform and a collaborative culture across the Firm," McLean says in a news release. "I’m excited to join the exceptional team here and further strengthen Willkie’s dynamic work across the energy sector to support the growing needs of our clients.”

McLean was a joint head of the US Energy industry group at Shearman & Sterling prior to Willkie Farr & Gallagher, and her experience in the energy sector includes 20 years.

“Sarah is a standout private equity and energy lawyer and we are pleased to welcome her to Willkie,” Chairman Thomas Cerabino says in the release. ”She brings significant dealmaking experience to our global energy team in Texas and across the U.S. and Europe and will be an invaluable resource to our clients navigating the changing energy market.”

Willkie provides legal solutions to businesses that address critical issues that affect multiple industries and markets with 13 offices worldwide.

“Sarah has a stellar reputation as a market-leading lawyer and dealmaker, with deep private equity and M&A experience in the oil and gas and energy transition sectors that will further the growth of our expanding Texas platform,” Archie Fallon, managing partner of the Houston office, says in a news release. “As clients look for new opportunities in the evolving energy sector, Sarah’s substantial track record and experience will complement our capabilities in Texas and across the firm, and we are thrilled to welcome her to Willkie.”

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A View From HETI

Lummus Technology has broken ground on a new plant in Texas that will support Advanced Ionics' hydrogen electrolyzer technology. Photo via lummustechnology.com

Houston’s Lummus Technology and Advanced Ionics have broken ground on their hydrogen pilot plant at Lummus’ R&D facility in Pasadena.

The plant will support Advanced Ionics’ cutting-edge electrolyzer technology, which aims to deliver high-efficiency hydrogen production with reduced energy requirements.

“By demonstrating Advanced Ionics’ technology at our state-of-the-art R&D facility, we are leveraging the expertise of our scientists and R&D team, plus our proven track record of developing breakthrough technologies,” Leon de Bruyn, president and CEO of Lummus, said in a news release. “This will help us accelerate commercialization of the technology and deliver scalable, cost-effective and sustainable green hydrogen solutions to our customers.”

Advanced Ionics is a Milwaukee-based low-cost green hydrogen technology provider. Its electrolyzer converts process and waste heat into green hydrogen for less than a dollar per kilogram, according to the company. The platform's users include industrial hydrogen producers looking to optimize sustainability at an affordable cost.

Lummus, a global energy technology company, will operate the Advanced Ionics electrolyzer and manage the balance of plant systems.

In 2024, Lummus and Advanced Ionics established their partnership to help advance the production of cost-effective and sustainable hydrogen technology. Lummus Venture Capital also invested an undisclosed amount into Advanced Ionics at the time.

“Our collaboration with Lummus demonstrates the power of partnerships in driving the energy transition forward,” Ignacio Bincaz, CEO of Advanced Ionics, added in the news release. “Lummus serves as a launchpad for technologies like ours, enabling us to validate performance and integration under real-world conditions. This milestone proves that green hydrogen can be practical and economically viable, and it marks another key step toward commercial deployment.”

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