Giberson is also a fellow of the American Scientific Affiliation (ASA). He co-directed the Venice Summer School on Science and Religion, and has lectured on science and religion at Oxford University, the Ettore Majorana Foundation and Centre for Scientific Culture in Sicily, and various colleges and universities in the United States. In 2006, he was invited to speak at the Vatican on "America's Ongoing Hostility to Darwinism" and at the Harvard Club of New York in 2008. In early 2009, Giberson became the Executive Vice President of The BioLogos Foundation, founded by Francis Collins. He served briefly as president before leaving the foundation in 2011 to further pursue his passion for writing.