U.S. Tax Court Judge Albert G. Lauber is known for two things: a love of French sauces and rulings in high-profile transfer pricing cases.

Both require precision and hard work.

Lauber, who joined the court in 2013, is known for speed and willingness to tackle some of the court’s most complex cases. And he’s productive, writing more rulings than other judges on the court.

“It doesn’t surprise me in the slightest that he has been able to put out the most number of opinions,” said Christopher Rizek, a member at Caplin & Drysdale, Chartered, where Lauber was a...