National High Magnetic Field Laboratory (National MagLab) is the largest and highest-powered magnet laboratory in the world and the only facility of its kind in the United States. Kathleen Amm, who currently serves as director of the Magnet Division at Brookhaven National Laboratory, will begin her tenure as lab director on May 6. Amm will succeed current director Gregory Boebinger, who announced his intent to step down last year.