Alan White was last seen leaving the LA Fitness off Haskell Avenue in Dallas after 5 a.m. on Thurs., Oct. 22. 'He just vanished into thin air': Family, friends desperate to find missing Dallas man | wfaa.com White is married and an executive for the accounting company KPMG. UPDATE: Reward offered for info on whereabouts of Alan White - Dallas Voice UPDATE: There is a $10,000 reward now being offered for information leading to the known whereabouts of James Alan White. He was last seen around 6 a.m. on Oct. 22, driving out of the LA Fitness CityPlace parking lot on Haskell in a 202 black Porsche Macan, like the one pictured below, only with silver wheels. Dealer tag 8F4972. James Alan White is 5’11” tall and weighs 160 pounds. He was last seen wearing a light gray tank top and dark gym shorts, and carrying a maroon-and-navy two-tone sling bag.