Michael L. Rosenzweig (born 1941) is a professor of ecology and evolutionary biology at the University of Arizona. He developed and popularized the concept of reconciliation ecology. He received his Ph.D. in zoology at the University of Pennsylvania in 1966 and has held a number of academic positions around the United States. arrived upon an idea similar to Leigh Van Valen's Red Queen metaphor during the same year 1971 as Van Valen, calling his idea "the rat race."
Rosenzweig has a large body of editorial work spanning from 1977 to present, founding the journals Evolutionary Ecology and Evolutionary Ecology Research as well as the publishing house, Evolutionary Ecology Ltd. with the help of his wife Carole. When the Journal of Evolutionary Ecology was sold and the prices were to be raised, he stepped down from his editor in chief position and founded Evolutionary Ecology Ltd, which published the journal Evolutionary Ecology Research.