Jennie R. Lill, PhD, is the Executive Director of the Proteomic and Genomic Technologies Department at Genentech, where she has worked since 2004. With over 90 peer-reviewed publications and three books, including Analytical Characterization of Biotherapeutics, her work focuses on cutting-edge analytical techniques in drug discovery and development. Wendy Sandoval was the Director of Translational Mass Spectrometry in Research at Genentech, where she had been a pivotal contributor for over 30 years. She has authored more than 100 scientific publications and co-authored two books, including Analytical Characterization of Biotherapeutics. She now runs a plant nursery and botanical garden in Northern California (https://botanicanurseryandgardens.com/) and enjoys playing in dirt.