After graduating from law school and passing the Nevada Bar in 1989, Clark headed straight from his hometown in Northern California to Nevada to begin his career. His goal was to gain as much courtroom experience as he could, as quickly as possible. So, after two years and nearly 30 trials under his belt, he married his wife and together they opened a brand new law office.
Makalipas ang halos isang-kapat ng isang siglo, patuloy na nagtagumpay si Clark sa paglilitis sa mga kaso ng pinsala, at nakakuha ng ilang prestihiyosong karangalan para sa kanyang mga pagsisikap kabilang ang: Million Dollar Advocates Forum, Multi-Million Dollar Advocates Forum, Nevada Justice Association Board of Governors, at may ay itinampok sa mga lokal na pahayagan at magasin bilang isa sa mga nangungunang abogado sa paglilitis sa Nevada.