[3][4] Seif worked for the Los Angeles District Attorney's Office from 1994 to 1996 as a California Supreme Court certified law student practitioner, and assisted in the prosecution of the O. J. Simpson case.

Subsequently, in 1997, Seif joined the national labor and employment law firm of Fisher & Phillips in their Newport Beach, California office.

He bested a field of 2,013 players to win his second bracelet at a final table that included poker professionals Minh Nguyen, Greg Raymer, Dave Ulliott, and Bill Gazes among others.

Later in 2005, Seif won the United States Poker Championship in seven-card stud at the Taj Majal in Atlantic City, New Jersey.

Seif was a color commentator for the Professional Poker Tour television series which aired on the Travel Channel starting in July 2006 and ended in late 2009.