National law firm Ryan Law hired Mark W. Eidman for an Austin legal job, according to a press release.

Eidman joins the practice as a senior partner in the Austin office of the firm that specializes in corporate tax litigation. His experience includes hundreds of administrative appeals and court cases in more than 40 U.S. states and he now owns the biggest volume of pending tax cases in Texas, the press release states.

“Mark’s unparalleled success handling corporate tax disputes will be a tremendous asset to our clients,” managing partner Kory L. Ryan with Ryan Law said. “Having the foremost tax attorney in Texas join our firm represents a significant milestone in our strategy to acquire and retain the industry’s top legal talent.”

Eidman said he is enthused about the opportunity to work alongside the strong staff that the firm has built as it strives to deliver top services to its clients.

Based in Austin, Ryan Law has offices in Dallas and Chicago. The firm was founded by tax and trial lawyers and its serves many Fortune 500 companies.