➀ Louis DeRidder's near-death experience at 12 sparked his interest in medicine; ➁ His high school program led to a deep fascination with drug delivery to the brain; ➂ DeRidder's research at Johns Hopkins University focused on nanoparticle-drug conjugates for neurodegenerative diseases; ➃ At Harvard-MIT, he developed CLAUDIA, a device for personalized drug dosing during chemotherapy; ➄ DeRidder's work involves MATLAB and Simulink for modeling drug pharmacokinetics; ➅ He aims to move CLAUDIA towards clinical use and potentially start a company for commercialization; ➆ In addition, DeRidder is developing new nanoparticles for therapeutic nucleic acid delivery; ➇ He balances research with community service, helping the homeless in Boston; ➈ His long-term goals include developing treatments for neurological diseases and cancer.