He has repeatedly been named a “Super Lawyer” by Washington Law & Politics magazine. After working for many years in civil litigation firms, Mark started his own practice, Clausen Law Firm, in 1993. He has handled high-profile, major matters in Washington, Alaska, California, Texas and Michigan. He has been involved in the trial of multimillion dollar cases since the late 1980s, and has negotiated a number of settlements for his clients involving payment of millions of dollars.