New Year’s Day is in the rear view, but lateral hiring hasn’t slowed in Texas. As the calendar turned to February, several Big Law partners in Houston changed up their letterhead as large international firms added to their energy-related and corporate practices.

Byron Romain, who does global oil and gas M&A and projects, moved to White & Case from Simpson Thacher & Bartlett. M&A partner Jonathan Castelan joined Latham & Watkins after leaving Kirkland & Ellis. And commodities partner Kirsten Polyansky moved to Reed Smith from Haynes and Boone.

Byron Romain, White & Case.