A historian trained at the University of Michigan, Ann Arbor, and the New School for Social Research. He has taught at Tufts University and the University of Michigan. Before starting the Armenian Forum, he edited the Armenian Review for seven years.
Lima serves as director of the Gomidas Institute. In addition, he works as a test developer. He is currently a consultant at the American Institute of Certified Public Accounting through his association with Reasoning, Inc., a test-development firm. Previously, he worked at the Educational Testing Service, where he wrote, reviewed, and improved questions for the Analytical sections of the GRE® and the Critical Reasoning sections of the GMAT®.