David Fenner joined the University of North Florida in 1992. Since then, he has served as interim chair of the Philosophy Department, associate dean of the College of Arts & Sciences, dean of the Graduate School, and president of the Faculty Association. He was elected Distinguished Professor by the faculty in 2010. In 1995 and 1996, he was Visiting Fellow of Moral Philosophy at the University of St Andrews.

Ethan Fenner joined the University of California Botanical Garden at Berkeley in 2019, having graduated that same year from the School of Professional Horticulture at the New York Botanical Garden. He has interned and studied with a number of Botanical Gardens, including the Royal Botanic Garden, Kew, in 2014 and the San Francisco Botanical Garden in 2018. In 2021, he was invited to speak at the Sixth International Symposium of Seoul Botanic Park. At UCBG Ethan is currently in charge of the Southern African Collection and the Cycad and Palm Collection.