Addison (he/him) is a fourth year PhD candidate in the department of Biology in the School of Arts and Sciences. His research focuses on the transcriptomic basis of interactions between plants and mutualistic bacteria when the host plant is also colonized by pathogenic nematodes. Before coming to Penn, Addison taught high school biology for several years. During this time he received his M.Ed and was a part time administrator for an interdisciplinary, project-based learning academic program at the school where he taught. Prior to teaching high school, Addison was an outdoor educator and tropical field ecology research intern. At Penn, he has served as instructor, teaching assistant, tutor, and grader for various biology courses and organizes the annual High School Science Day put on by the Department of Biology.