This Medical Writing issue focuses on the crucial role of medical writing and communications in biotechnology and product development in healthcare. In the pharmaceutical and medical device industries, biotechnology uses biological systems and living organisms in R&D and production processes for product development. Some biotechnologies include biologic and biosimilar pharmaceuticals, vaccines, and advanced therapy medicinal products, including gene and cell therapies and tissue engineered products. Medical Writing. 2023;32(4):2–4. https://doi.org/10.56012/zskr5275