David B.  Markowitz Markowitz Herbold Glade & Mehlhaf PC, Portland David B. Markowitz, Markowitz Herbold Glade & Mehlhaf PC, Portland. Mr. Markowitz is a frequent lecturer on litigation-related topics for the Oregon State Bar, the Oregon Law Institute, and the Multnomah Bar Association. He regularly presents a nationally recognized training seminar on depositions. Mr. Markowitz is a Fellow of the American College of Trial Lawyers and a member of the American Board of Trial Advocates. Mr. Markowitz frequently acts as a mediator and arbitrator to resolve commercial disputes, and he served as a pro tem judge in Multnomah County for several years. (03/12)