Deborah Haarsma is President of BioLogos. She is an astrophysicist and frequent speaker on modern science and Christian faith at research universities, churches, and public venues like the National Press Club. Her work appears in several recent books, including Four Views on Creation, Evolution, and Design and Christ and the Created Order.  She wrote the book Origins with her husband and fellow physicist, Loren Haarsma, presenting the agreements and disagreements among Christians regarding the history of life and the universe.  She edited the anthology Delight in Creation: Scientists Share Their Work with the Church with Rev. Scott Hoezee. Previously, Haarsma served as professor and chair of the Department of Physics and Astronomy at Calvin University. She is an experienced research scientist, with several publications in the Astrophysical Journal and the Astronomical Journal on extragalactic astronomy and cosmology. She has studied large galaxies, galaxy clusters, the curvature of space, and the expansion of the universe using telescopes around the world and in orbit.  Haarsma completed her doctoral work in astrophysics at the Massachusetts Institute of Technology and her undergraduate work in physics and music at Bethel University in St. Paul, Minnesota. She and Loren enjoy science fiction and classical music, and live in Grand Rapids, Michigan.

Richard (Rick) Lindroth (Ph.D., University of Illinois-Urbana) is a Vilas Distinguished Achievement Professor of Ecology Emeritus and former Associate Dean for Research at the University of Wisconsin- Madison. His research focused on evolutionary ecology and global change ecology in forest ecosystems. He has been a Fulbright Fellow and is an elected Fellow of the American Association for the Advancement of Science (AAAS), the Ecological Society of America, the Entomological Society of America, and the American Scientific Affiliation. Funded by grants from the National Science Foundation, U.S. Department of Agriculture, and other agencies, Rick and his research group have published 250 journal articles and book chapters. Rick is currently working as a Distinguished Research Fellow with The Lumen Center, a community of scholars working at the intersection of Christianity and culture. He speaks to public and faith-based groups about creation care, climate change, biodiversity, and science denialism/communication (see this profile in The Washington Post). Rick serves on the Board of Directors for A Rocha USA and an advisory board for Science for the Church. He and his wife have two daughters and three grandchildren. For recreation, they enjoy road cycling, flyfishing and reading, though not necessarily in that order.