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Breen Haire Jumps to Simpson Thacher

March 10, 2014 Mark Curriden

© 2014 The Texas Lawbook.

By Mark Curriden, JD
Senior Writer for the Texas Lawbook

(March 10) – It pays off for lawyers to be professional with the counsel across the table in a big transaction.

New York-based Simpson Thacher & Barlett announced Monday that it is expanding the firm’s corporate energy law practice in Houston with the addition of a new partner that sat across from the firm in a $700 million M&A deal in 2012. And firm leaders say they expect to announce additional lateral hires in the next couple months.

Breen Haire
Breen Haire

M. Breen Haire, 41, is joining Simpson Thacher after 10 years at Baker Botts in Houston and five years before that as an associate at Cravath, Swaine & Moore.

Haire represented Houston-based TPC Group in its $700 million sale to First Reserve in 2012. Simpson advised First Reserve and became impressed with Haire’s work.

“We’ve been incredibly busy throughout the fall and into the new year and our clients let us know they have more work for us and that we needed to expand,” said Andrew Calder, who leads Simpson’s corporate practice in Houston.

“We did a survey of the Houston market and Breen’s name kept popping up,” said Calder.

Haire is also representing Regency Partners in its pending $5.6 billion acquisition of PVR Partners. He’s also represented Schlumberger Ltd., Mariner Energy, McMoRan Exploration and Valero Energy Corp. in corporate merger and acquisitions.

“I think we are going to see a lot more upstream activity in 2014 and the midstream activity will continue to be hot,” said Haire. “It is going to be a very busy year.”

© 2014 The Texas Lawbook. Content of The Texas Lawbook is controlled and protected by specific licensing agreements with our subscribers and under federal copyright laws. Any distribution of this content without the consent of The Texas Lawbook is prohibited.

If you see any inaccuracy in any article in The Texas Lawbook, please contact us. Our goal is content that is 100% true and accurate. Thank you.

Mark Curriden

Mark Curriden is a lawyer/journalist and founder of The Texas Lawbook. In addition, he is a contributing legal correspondent for The Dallas Morning News.

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©2025 The Texas Lawbook.

Content of The Texas Lawbook is controlled and protected by specific licensing agreements with our subscribers and under federal copyright laws. Any distribution of this content without the consent of The Texas Lawbook is prohibited.

If you see any inaccuracy in any article in The Texas Lawbook, please contact us. Our goal is content that is 100% true and accurate. Thank you.

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