Deborah Haarsma serves as the President of BioLogos, a position she has held since January 2013. Previously, she served as professor and chair in the Department of Physics and Astronomy at Calvin College in Grand Rapids, Michigan.

Gifted in interpreting complex scientific topics for lay audiences, Dr. Haarsma often speaks to churches, colleges, and schools about the relationships between science and Christian faith. She is author (along with her husband Loren Haarsma) of Origins: Christian Perspectives on Creation, Evolution, and Intelligent Design (2011, 2007), a book presenting the agreements and disagreements of Christians regarding the history of life and the universe. Many congregations, Christian high schools, and Christian colleges use the book as a guide for navigating Christian debates over creation and evolution.

Haarsma is an experienced research scientist, with several publications in the Astrophysical Journal and the Astronomical Journal on extragalactic astronomy and cosmology. She has studied very large galaxies (at the centers of galaxy clusters), very young galaxies (undergoing rapid star formation in the early universe), and gravitational lenses (where spacetime is curved by a massive object). Her work uses data from several major telescopes, including the Very Large Array radio telescope in New Mexico, the Southern Astrophysical Research optical and infrared telescope in Cerro Pachon, Chile, and the Chandra X-ray Observatory in orbit around the earth. Haarsma completed her doctoral work in astrophysics at the Massachusetts Institute of Technology in Cambridge, Massachusetts, and her undergraduate work in physics and music at Bethel University in St. Paul, Minnesota.

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